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Enigmatic Code
Programming Enigma Puzzles
Other Puzzles
Articles and puzzles on this site that I’ve created, and miscellaneous puzzles that have interested me:
Articles
- Bit twiddling / 20th May 2017
- Solving Alphametics with Python, Part 2 / 29th June 2016
- Solving Alphametics with Python / 22nd June 2016
- Running the first program: Part 3 / 21st October 2015
- Running the first program: Part 2 / 14th October 2015
- Running the first program / 24th September 2015
::
Puzzles
- Conway’s wizard puzzle / 2nd December 2020
- Puzzle for Today #272: Arranging coins / 5th May 2020
- The Prisoner of Benda / 2nd October 2019
- Teaser 2907: Combinatorial cards / 2nd January 2019
- Teaser 2935: A palindrome / 24th December 2018
- Teaser 2503 / 29th August 2018
- Grid puzzle / 27th June 2018
- Pizza puzzle / 23rd November 2016
- Teaser 2784: Three lives / 14th February 2016
- Teaser 2773: King Lear III / 15th November 2015
- Teaser 2759: King Lear II / 14th August 2015
- Singapore school logic puzzle / 24th April 2015
- Project Euler: Problem 369 / 6th February 2012
- Project Euler: Problem 142 (see: Enigma 45)
::
And here are some other puzzles that I have programmed solutions for:
New Scientist Back Page Puzzles
In May 2019 New Scientist started a new series of puzzles. They are generally not as challenging as the Enigma puzzles were. (And are not prize puzzles):
2022
- Puzzle #179: Martian food / 6th August 2022
- Puzzle #178: Hydra / 30th July 2022
- Puzzle #177: Monkeying around / 23rd July 2022
- Puzzle #176: Ant-i-clockwise / 16th July 2022
- Puzzle #175: Wizard of odds / 9th July 2022
- Puzzle #174: Pieces of eight / 2nd July 2022
- Puzzle #173: Knight moves / 25th June 2022
- Puzzle #172: Four got it / 18th June 2022
- Puzzle #171: The magic number bracelet / 11th June 2022
- Puzzle #170: Presents, but not correct / 4th June 2022
- Puzzle #169: A domino piazza / 28th May 2022
- Puzzle #168: Bone idle / 21st May 2022
- Puzzle #167: This escalated quickly / 14th May 2022
- Puzzle #166: The week link / 7th May 2022
- Puzzle #165: Land for rent / 30th April 2022
- Puzzle #164: Sum thing wrong / 23rd April 2022
- Puzzle #163: Down for the count / 16th April 2022
- Puzzle #162: Hidden faces / 9th April 2022
- Puzzle #161: Reduction deduction / 2nd April 2022
- Puzzle #160: Blurry-Ness / 26th March 2022
- Puzzle #159: Express coffee / 19th March 2022
- Puzzle #158: League of nations / 12th March 2022
- Puzzle #157: Weather or not / 5th March 2022
- Puzzle #156: L of a puzzle / 26th February 2022
- Puzzle #155: Mother Hubbard / 19th February 2022
- Puzzle #154: Party line-up / 12th February 2022
- Puzzle #153: Tightwad’s safe / 5th February 2022
- Puzzle #152: Lightning strike / 29th January 2022
- Puzzle #151: Alien fingers / 22nd January 2022
- Puzzle #150: A jigsaw puzzle / 15th January 2022
- Puzzle #149: All in a spin / 8th January 2022
- Puzzle #148: Much ado about muffins / 1st January 2022
2021
- Puzzle #147: Lebkuchen race / 18th December 2021
- Puzzle #146: Meg’s pegs / 18th December 2021
- Puzzle #145: Up the sprout / 18th December 2021
- Puzzle #144: Shaken, not stirred / 18th December 2021
- Puzzle #143: X marks the Spot / 11th December 2021
- Puzzle #142: Simultaneous pleasure / 4th December 2021
- Puzzle #141: Sam’s speed / 27th November 2021
- Puzzle #140: Drum roll / 20th November 2021
- Puzzle #139: BLOXO cubes / 13th November 2021
- Puzzle #138: Ice cream coincidence / 6th November 2021
- Puzzle #137: Tricky treaty / 30th October 2021
- Puzzle #136: Narrowing the spectrum / 23rd October 2021
- Puzzle #135: You don’t know jackpot / 16th October 2021
- Puzzle #134: No time to try / 9th October 2021
- Puzzle #133: Think tank / 2nd October 2021
- Puzzle #132: One of these days / 25th September 2021
- Puzzle #131: The Paradise Club / 18th September 2021
- Puzzle #130: Arithmagic / 11th September 2021
- Puzzle #129: Dungeons & diagrams / 4th September 2021
- Puzzle #128: Tournament headache / 28th August 2021
- Puzzle #127: Brahms and Liszt / 21st August 2021
- Puzzle #126: More chocs-a-weigh / 14th August 2021
- Puzzle #125: Digital printing / 7th August 2021
- Puzzle #124: Next-door jackdaws / 31st July 2021
- Puzzle #123: Cara’s fleet of cars / 24th July 2021
- Puzzle #122: Article of faith / 17th July 2021
- Puzzle #121: Creative addition / 10th July 2021
- Puzzle #120: More Catch Up / 3rd July 2021
- Puzzle #119: Nutty neighbours / 26th June 2021
- Puzzle #118: The spiky shield / 19th June 2021
- Puzzle #117: My fair ladybird / 12th June 2021
- Puzzle #116: More Soccerdoku / 5th June 2021
- Puzzle #115: A random robot / 29th May 2021
- Puzzle #114: Lara’s birthday / 22nd May 2021
- Puzzle #113: The two-ewes day paradox / 15th May 2021
- Puzzle #112: A muse in barrels / 8th May 2021
- Puzzle #111: Eclair-voyance / 1st May 2021
- Puzzle #110: Reflecting on time / 24th April 2021
- Puzzle #109: Chocs aweigh / 17th April 2021
- Puzzle #108: Half time / 10th April 2021
- Puzzle #107: Turning tables / 3rd April 2021
- Puzzle #106: Having a dart / 27th March 2021
- Puzzle #105: Mastermind / 20th March 2021
- Puzzle #104: Soccerdoku / 13th March 2021
- Puzzle #103: Trouble brewing / 6th March 2021
- Puzzle #102: Passport to success / 27th February 2021
- Puzzle #101: Red triangle / 20th February 2021
- Puzzle #100: Late for the gate / 13th February 2021
- Puzzle #99: Around the clock / 6th February 2021
- Puzzle #98: Puppies galore! / 30th January 2021
- Puzzle #97: Cabinet reshuffle / 23rd January 2021
- Puzzle #96: Inside the box / 16th January 2021
- Puzzle #95: Catch Up / 9th January 2021
- Puzzle #94: Fastest fingers first / 2nd January 2021
2020
- Puzzle #93: Battenberg returns / 19th December 2020
- Puzzle #92: Major tune / 19th December 2020
- Puzzle #90 & #91: Colourful beehive / 19th December 2020
- Puzzle #89: Sunday drivers / 12th December 2020
- Puzzle #88: Rifling the draw / 5th December 2020
- Puzzle #87: Poll position / 28th November 2020
- Puzzle #86: Yam tomorrow / 21st November 2020
- Puzzle #85: Chopping board / 14th November 2020
- Puzzle #84: Squarebot / 7th November 2020
- Puzzle #83: Albatross / 31st October 2020
- Puzzle #82: Dogmandoo / 24th October 2020
- Puzzle #81: A bridge too far / 17th October 2020
- Puzzle #80: Vive la Différence / 10th October 2020
- Puzzle #79: Marathon relay / 3rd October 2020
- Puzzle #78: Farewell My Blubbery / 26th September 2020
- Puzzle #77: Sir Prancelot’s archers / 19th September 2020
- Puzzle #76: Four hippos / 12th September 2020
- Puzzle #75: Seventh time lucky? / 5th September 2020
- Puzzle #74: The twisted wood / 29th August 2020
- Puzzle #73: Changing guard / 22nd August 2020
- Puzzle #72: A long lane / 15th August 2020
- Puzzle #71: White lines / 8th August 2020
- Puzzle #70: Taking the biscuit / 1st August 2020
- Puzzle #69: Cutting the flag / 25th July 2020
- Puzzle #68: Diamonds / 18th July 2020
- Puzzle #67: My prime / 11th July 2020
- Puzzle #66: Square tiles / 4th July 2020
- Puzzle #65: Father figures / 27th June 2020
- Puzzle #64: Ruritanian carpet / 20th June 2020
- Puzzle #63: What day? / 13th June 2020
- Puzzle #62: Burger run / 6th June 2020
- Puzzle #61: Triple jump / 30th May 2020
- Puzzle #60: Mexican standoff / 23rd May 2020
- Puzzle #59: Celebrate the differences / 16th May 2020
- Puzzle #58: Lego lockdown / 9th May 2020
- Puzzle #57: Matchstick magic / 2nd May 2020
- Puzzle #56: Diffy squares / 25th April 2020
- Puzzle #55: Ton up / 18th April 2020
- Puzzle #54: Pyramid of possibilities / 11th April 2020
- Puzzle #53: Painting by numbers / 4th April 2020
- Puzzle #52: Bus change / 28th March 2020
- Puzzle #51: Birthday candles / 21st March 2020
- Puzzle #50: Crossing the river / 14th March 2020
- Puzzle #49: The tree in the snow globe / 7th March 2020
- Puzzle #48: Seeing red / 29th February 2020
- Puzzle #47: Geometra’s tomb / 22nd February 2020
- Puzzle #46: Pi-thagoras / 15th February 2020
- Puzzle #45: Beetles on a clothes line / 8th February 2020
- Puzzle #44: Elevator pitch / 1st February 2020
- Puzzle #43: Dividing Grandma’s field / 25th January 2020
- Puzzle #42: The card conundrum / 18th January 2020
- Puzzle #41: Hen party dorm / 11th January 2020
- Puzzle #40: Light bulb moment / 4th January 2020
::
2019
- Puzzle #39: Meaningful matches (2) / 21st December 2019
- Puzzle #38: Meaningful matches (1) / 21st December 2019
- Puzzle #37: All squares (2) / 21st December 2019
- Puzzle #36: All squares (1) / 21st December 2019
- Puzzle #35: Christmas gifts / 21st December 2019
- Puzzle #34: Ant on a tetrahedron / 14th December 2019
- Puzzle #33: The mountain pass / 7th December 2019
- Puzzle #32: Rearranging books / 30th November 2019
- Puzzle #31: Three hats / 23rd November 2019
- Puzzle #30: Sticking in a pin / 16th November 2019
- Puzzle #29: How many strips? / 9th November 2019
- Puzzle #28: A well-timed nap / 2nd November 2019
- Puzzle #27: The goblin game / 26th October 2019
- Puzzle #26: Evening out / 19th October 2019
- Puzzle #25: Car crash maths / 12th October 2019
- Puzzle #24: Three stamps / 5th October 2019
- Puzzle #23: Circling the squares / 28th September 2019
- Puzzle #22: The 9-minute egg / 21st September 2019
- Puzzle #21: Six weeks of seconds / 14th September 2019
- Puzzle #20: Caesar cipher / 7th September 2019
- Puzzle #19: The vicar’s age / 31st August 2019
- Puzzle #18: Cable on the moon / 24th August 2019
- Puzzle #17: Which flipping year? / 17th August 2019
- Puzzle #16: Clever code / 10th August 2019
- Puzzle #15: Lines through the chessboard / 3rd August 2019
- Puzzle #14: The H coins problem / 27th July 2019
- Puzzle #13: Snail party / 20th July 2019
- Puzzle #12: Hole of the moon / 13th July 2019
- Puzzle #11: Lunar years / 13th July 2019
- Puzzle #10: Betty’s change / 6th July 2019
- Puzzle #09: The cake and the candles / 29th June 2019
- Puzzle #08: Prisoners locked up / 22nd June 2019
- Puzzle #07: Amveriric’s boat / 15th June 2019
- Puzzle #06: Darts challenge / 8th June 2019
- Puzzle #05: Murphy’s law of socks / 1st June 2019
- Puzzle #04: Which door? / 25th May 2019
- Puzzle #03: Cube shadow / 18th May 2019
- Puzzle #02: Getting past the freight train / 11th May 2019
- Puzzle #01: The book of numbers / 4th May 2019
::
Sunday Times Teasers
2022
- Teaser 3125: The bearings’ trait / 14th August 2022
- Teaser 3124: Lawn order / 7th August 2022
- Teaser 3123: A six-pipe problem / 31st July 2022
- Teaser 3122: Bank robbery / 24th July 2022
- Teaser 3121: Top marks / 17th July 2022
- Teaser 3120: Bus stop blues / 10th July 2022
- Teaser 3119: Hidden powers / 3rd July 2022
- Teaser 3118: Product dates / 26th June 2022
- Teaser 3117: Stop me if you’ve heard this one / 19th June 2022
- Teaser 3116: Poll positions / 12th June 2022
- Teaser 3115: Germometric mean / 5th June 2022
- Teaser 3114: Colourful characters / 29th May 2022
- Teaser 3113: The plumber’s buckets / 22nd May 2022
- Teaser 3112: PIN / 15th May 2022
- Teaser 3111: Don’t miss a second / 8th May 2022
- Teaser 3110: Many a slip / 1st May 2022
- Teaser 3109: Hole numbers / 24th April 2022
- Teaser 3108: My Grandfather’s coins / 17th April 2022
- Teaser 3107: Room 101 / 10th April 2022
- Teaser 3106: Underground umbra conundrum / 3rd April 2022
- Teaser 3105: Roman primes / 27th March 2022
- Teaser 3104: Prime football / 20th March 2022
- Teaser 3103: Empowered / 13th March 2022
- Teaser 3102: Jokers / 6th March 2022
- Teaser 3101: Lap progression / 27th February 2022
- Teaser 3100: Crate Expectations / 20th February 2022
- Teaser 3099: Recurring theme / 13th February 2022
- Teaser 3098: Wonky dice / 6th February 2022
- Teaser 3097: Crazy golf / 30th January 2022
- Teaser 3096: That strikes a chord / 23rd January 2022
- Teaser 3095: Diddums! / 16th January 2022
- Teaser 3094: There’s always next year / 9th January 2022
- Teaser 3093: Shout snap! / 2nd January 2022
2021
- Teaser 3092: A Christmas Carol / 26th December 2021
- Teaser 3091: Birthday money / 19th December 2021
- Teaser 3090: Main line / 12th December 2021
- Teaser 3089: An old square / 5th December 2021
- Teaser 3088: Bog standard deviation / 28th November 2021
- Teaser 3087: Hexagonia / 21st November 2021
- Teaser 3086: Four-sided dice game / 14th November 2021
- Teaser 3085: Lucky progression / 7th November 2021
- Teaser 3084: Face value / 31st October 2021
- Teaser 3083: Village signposts / 24th October 2021
- Teaser 3082: In the swim / 17th October 2021
- Teaser 3081: Connect four / 10th October 2021
- Teaser 3080: One of a kind / 3rd October 2021
- Teaser 3079: Hall of residence / 26th September 2021
- Teaser 3078: Digital daisy-chains / 19th September 2021
- Teaser 3077: Shuffling series schedules / 12th September 2021
- Teaser 3076: Bee lines / 5th September 2021
- Teaser 3075: Prime cuts for dinner / 29th August 2021
- Teaser 3074: Timely overthrows / 22nd August 2021
- Teaser 3073: Snookered / 15th August 2021
- Teaser 3072: Dial M for Marriage / 8th August 2021
- Teaser 3071: Three-cornered problem / 1st August 2021
- Teaser 3070: Film binge / 25th July 2021
- Teaser 3069: Fit for purpose / 18th July 2021
- Teaser 3068: Valued playwrights / 11th July 2021
- Teaser 3067: Reciprocal arrangement / 4th July 2021
- Teaser 3066: Leaning tower of pesos / 27th June 2021
- Teaser 3065: Members of the jury / 20th June 2021
- Teaser 3064: Turnip prize / 13th June 2021
- Teaser 3063: Pie by five / 6th June 2021
- Teaser 3062: Family stock / 30th May 2021
- Teaser 3061: Ratio / 23rd May 2021
- Teaser 3060: Even or odd / 16th May 2021
- Teaser 3059: Nine blocks to the diner / 9th May 2021
- Teaser 3058: Total resistance / 2nd May 2021
- Teaser 3057: Cut for partners / 25th April 2021
- Teaser 3056: Rose garden / 18th April 2021
- Teaser 3055: Proceed to checkout / 11th April 2021
- Teaser 3054: Discs a go-go / 4th April 2021
- Teaser 3053: Endless number / 28th March 2021
- Teaser 3052: Porcus facit griphus / 21st March 2021
- Teaser 3051: Shipping forecast / 14th March 2021
- Teaser 3050: Power struggle / 7th March 2021
- Teaser 3049: Plantation / 28th February 2021
- Teaser 3048: Nero Scrag from Carregnos / 21st February 2021
- Teaser 3047: Some permutations / 14th February 2021
- Teaser 3046: Square phone numbers / 7th February 2021
- Teaser 3045: Let Tel play BEDMAS hold ’em! / 31st January 2021
- Teaser 3044: Building blocks / 24th January 2021
- Teaser 3043: An odd selection / 17th January 2021
- Teaser 3042: A question of scale / 10th January 2021
- Teaser 3041: The best game played in 1966 / 3rd January 2021
2020
- Teaser 3040: Moving digit / 27th December 2020
- Teaser 3039: Three patterned paving / 20th December 2020
- Teaser 3038: Progressive raffle / 13th December 2020
- Teaser 3037: Prime advent calendar / 6th December 2020
- Teaser 3036: That old chestnut / 29th November 2020
- Teaser 3035: Friend of the Devil / 22nd November 2020
- Teaser 3034: Reservoir development / 15th November 2020
- Teaser 3033: Goldilocks and the bear commune / 8th November 2020
- Teaser 3032: Darts display / 1st November 2020
- Teaser 3031: End of the beginning / 25th October 2020
- Teaser 3030: Pot success / 18th October 2020
- Teaser 3029: Square jigsaws / 11th October 2020
- Teaser 3028: Rainbow numeration / 4th October 2020
- Teaser 3027: Long shot / 27th September 2020
- Teaser 3026: Party time / 20th September 2020
- Teaser 3025: Please mind the gap / 13th September 2020
- Teaser 3024: Triple jump / 6th September 2020
- Teaser 3023: Timely coincidence / 30th August 2020
- Teaser 3022: Sporty set / 23rd August 2020
- Teaser 3021: Field for thought / 16th August 2020
- Teaser 3020: Baz’s bizarre arrers / 9th August 2020
- Teaser 3019: William’s prime / 2nd August 2020
- Teaser 3018: Debased / 26th July 2020
- Teaser 3017: Mr. Green’s scalene mean machine / 19th July 2020
- Teaser 3016: Eureka / 12th July 2020
- Teaser 3015: Quid pro quo / 5th July 2020
- Teaser 3014: Family business / 28th June 2020
- Teaser 3013: Arian Pen-blwydd / 21st June 2020
- Teaser 3012: Number blind rage / 14th June 2020
- Teaser 3011: Optical illusion / 7th June 2020
- Teaser 3010: Putting game / 31st May 2020
- Teaser 3009: Head count / 24th May 2020
- Teaser 3008: Three-fruit fractions / 17th May 2020
- Teaser 3007: Paving stones / 10th May 2020
- Teaser 3006: Raffle tickets / 3rd May 2020
- Teaser 3005: Tubular bales / 26th April 2020
- Teaser 3004: Going up / 19th April 2020
- Teaser 3003: All that glitters / 12th April 2020
- Teaser 3002: Short-cut / 5th April 2020
- Teaser 3001: Tetragonal toy tiles / 29th March 2020
- Teaser 3000: The three thousandth / 22nd March 2020
- Teaser 2999: Triangular card tower / 15th March 2020
- Teaser 2998: Football league / 8th March 2020
- Teaser 2997: Cemetery lottery symmetry / 1st March 2020
- Teaser 2996: Piece it together / 23rd February 2020
- Teaser 2995: Pub celebration / 16th February 2020
- Teaser 2994: Consecutive sums / 9th February 2020
- Teaser 2993: Baker’s weights / 2nd February 2020
- Teaser 2992: Crystal cleavage calamity! / 26th January 2020
- Teaser 2991: Super Street / 19th January 2020
- Teaser 2990: Squares and cubes / 12th January 2020
- Teaser 2989: Pot luck / 5th January 2020
::
2019
- Teaser 2988: Open the box / 29th December 2019
- Teaser 2987: Table mats / 22nd December 2019
- Teaser 2986: The Prhymes’ Numbers / 15th December 2019
- Teaser 2985: What’s my (land) line? / 8th December 2019
- Teaser 2984: Shuffle the cards / 1st December 2019
- Teaser 2983: Maths for dessert / 24th November 2019
- Teaser 2982: Antique tea pot / 17th November 2019
- Teaser 2981: Faulty pedometer / 10th November 2019
- Teaser 2980: Egyptian weights and measures / 3rd November 2019
- Teaser 2979: Mischievous Sam / 27th October 2019
- Teaser 2978: Norfolk Flats / 20th October 2019
- Teaser 2977: Enjoying retirement / 13th October 2019
- Teaser 2976: Piece of cake / 6th October 2019
- Teaser 2975: Hollow cube land / 29th September 2019
- Teaser 2974: Flockbuster / 22nd September 2019
- Teaser 2973: Something in common / 15th September 2019
- Teaser 2972: A relaxing day / 8th September 2019
- Teaser 2971: Six sisters on the ski lift / 1st September 2019
- Teaser 2970: Puzzling powers / 24th August 2019
- Teaser 2969: Slide rules / 18th August 2019
- Teaser 2968: Gardening division / 11th August 2019
- Teaser 2967: Odds and evens / 4th August 2019
- Teaser 2966: On track / 28th July 2019
- Teaser 2965: Knock, knock! / 21st July 2019
- Teaser 2964: “Bingo a go-go” lingo a no-go / 14th July 2019
- Teaser 2963: A result / 7th July 2019
- Teaser 2962: Book receipts / 30th June 2019
- Teaser 2961: Alan and Cat / 23rd June 2019
- Teaser 2960: Bags of sweets! / 16th June 2019
- Teaser 2959: The Magnificent Seven / 9th June 2019
- Teaser 2958: Sudoku crossword / 2nd June 2019
- Teaser 2957: Beyond the fields we know / 26th May 2019
- Teaser 2956: A nice little earner / 19th May 2019
- Teaser 2955: Go forth and multiply / 12th May 2019
- Teaser 2954: Lovely meter, RITA made! / 5th May 2019
- Teaser 2953: Marble tower / 28th April 2019
- Teaser 2952: Silly slip / 21st April 2019
- Teaser 2951: Imprismed / 14th April 2019
- Teaser 2950: Ten digits / 7th April 2019
- Teaser 2949: Mystery numbers / 31st March 2019
- Teaser 2948: A hardy annual / 24th March 2019
- Teaser 2947: 55 Divisions / 17th March 2019
- Teaser 2946: Pentagonal gardens / 10th March 2019
- Teaser 2945: Infernal indices / 3rd March 2019
- Teaser 2944: Happy families / 24th February 2019
- Teaser 2943: Keep your balance / 17th February 2019
- Teaser 2942: What do points make? / 10th February 2019
- Teaser 2941: Big deal / 3rd February 2019
- Teaser 2940: Getting there in the end / 27th January 2019
- Teaser 2939: Betting to win / 20th January 2019
- Teaser 2938: Numerophobia / 13th January 2019
- Teaser 2937: Long division / 6th January 2019
::
2018
- Teaser 2936: Multicoloured / 30th December 2018
- Teaser 2935: A palindrome / 23rd December 2018
- Teaser 2934: Good arraz, Baz! / 16th December 2018
- Teaser 2933: Sunday Teaser / 9th December 2018
- Teaser 2932: Triangulation / 2nd December 2018
- Teaser 2931: Unfortunate 57 / 25th November 2018
- Teaser 2930: Odd socks / 18th November 2018
- Teaser 2929: My PIN numbers / 11th November 2018
- Teaser 2928: Golf balls / 4th November 2018
- Teaser 2927: On a roll / 28th October 2018
- Teaser 2926: Coins of Obscura / 21st October 2018
- Teaser 2925: The eternal triangle – Go figure! / 14th October 2018
- Teaser 2924: Snaking up / 7th October 2018
- Teaser 2923: Powerful numbers / 30th September 2018
- Teaser 2922: Inscribed / 23rd September 2018
- Teaser 2921: Octavia the octogenarian / 16th September 2018
- Teaser 2920: Barcode / 9th September 2018
- Teaser 2919: Letters puzzle / 2nd September 2018
- Teaser 2918: Prime multiplication / 26th August 2018
- Teaser 2917: Polygoland / 19th August 2018
- Teaser 2916: Pointless batting averages / 12th August 2018
- Teaser 2915: £sd / 5th August 2018
- Teaser 2914: Bank statement / 29th July 2018
- Teaser 2913: Return tickets / 22nd July 2018
- Teaser 2912: Be crafty and box clever / 15th July 2018
- Teaser 2911: Remembering PINs / 8th July 2018
- Teaser 2910: Living on the coast / 1st July 2018
- Teaser 2909: Pensionable service / 24th June 2018
- Teaser 2908: Number challenge / 17th June 2018
- Teaser 2907: Combinatorial cards / 10th June 2018
- Teaser 2906: In proportion / 3rd June 2018
- Teaser 2905: Trackword / 27th May 2018 (see also: Grid puzzle)
- Teaser 2904: Catching another bus / 20th May 2018
- Teaser 2903: What’s my card? / 13th May 2018
- Teaser 2902: Birthdays 2018 / 6th May 2018
- Teaser 2901: Square deal / 29th April 2018
- Teaser 2900: An ancestral equation / 22nd April 2018
- Teaser 2899: Base jumping / 15th April 2018
- Teaser 2898: My valentine / 8th April 2018
- Teaser 2897: Easter egg / 1st April 2018
- Teaser 2896: Light angles / 25th March 2018
- Teaser 2895: Spanish and Latin / 18th March 2018
- Teaser 2894: Time duality / 11th March 2018
- Teaser 2893: Win some, lose some / 4th March 2018
- Teaser 2892: Political pairings / 25th February 2018
- Teaser 2891: Nine cut diamonds / 18th February 2018
- Teaser 2890: Squares on cubes / 11th February 2018
- Teaser 2889: Catching the bus / 4th February 2018
- Teaser 2888: Two sums / 28th January 2018
- Teaser 2887: A convivial dinner party / 21st January 2018
- Teaser 2886: Metal arithmetic / 14th January 2018
- Teaser 2885: Croquet mallet / 7th January 2018
::
2017
- Teaser 2884: Farewell / 31st December 2017
- Teaser 2883: Happy Xmas / 24th December 2017
- Teaser 2882: Snow White / 17th December 2017
- Teaser 2881: A month of meetings / 10th December 2017
- Teaser 2880: Golfing greats / 3rd December 2017
- Teaser 2879: Blood line / 26th November 2017
- Teaser 2878: Magic slides / 19th November 2017
- Teaser 2877: Four steadings and a numeral / 12th November 2017
- Teaser 2876: Bonfire toffee / 5th November 2017
- Teaser 2875: Easy as ABC / 29th October 2017
- Teaser 2874: An age-old progression / 22nd October 2017
- Teaser 2873: Circular logic / 15th October 2017
- Teaser 2872: Appropriate arithmetic / 8th October 2017
- Teaser 2871: Five-card trick / 1st October 2017
- Teaser 2870: Lucky dip / 24th September 2017
- Teaser 2869: Cubic savings / 17th September 2017
- Teaser 2868: Prime logic / 10th September 2017
- Teaser 2867: Clumsy Meg / 3rd September 2017
- Teaser 2866: On the rack / 26th August 2017
- Teaser 2865: Seventh heaven? / 20th August 2017
- Teaser 2864: Sequence of squares / 13th August 2017
- Teaser 2863: Little time / 6th August 2017
- Teaser 2862: Algebria’s standard / 30th July 2017
- Teaser 2861: Fond memories / 23rd July 2017
- Teaser 2860: Cricketing greats / 16th July 2017
- Teaser 2859: Palindromic / 9th July 2017
- Teaser 2858: Beach game / 2nd July 2017
- Teaser 2857: Significant errors / 25th June 2017
- Teaser 2856: Solid jellometry / 18th June 2017
- Teaser 2855: Fab four / 11th June 2017
- Teaser 2854: Power surge / 4th June 2017
- Teaser 2853: Marble marvel / 28th May 2017
- Teaser 2852: When in Rome / 21st May 2017
- Teaser 2851: Knowing the lingo / 14th May 2017
- Teaser 2850: On course / 7th May 2017
- Teaser 2849: Swift tailor / 30th April 2017
- Teaser 2848: Coffee breaks / 23rd April 2017
- Teaser 2847: Easter parade / 16th April 2017
- Teaser 2846: Bingo! / 9th April 2017
- Teaser 2845: Baled out / 2nd April 2017
- Teaser 2844: Children’s children / 26th March 2017
- Teaser 2843: Child’s play / 19th March 2017
- Teaser 2842: The best policy / 12th March 2017
- Teaser 2841: Crenellation aggregation / 5th March 2017
- Teaser 2840: Signs of the times / 26th February 2017
- Teaser 2839: Unwholesome / 19th February 2017
- Teaser 2838: King Lear IV / 12th February 2017
- Teaser 2837: Back and forth / 5th February 2017
- Teaser 2836: Squaring up / 29th January 2017
- Teaser 2835: Jeweller’s rouge / 22nd January 2017
- Teaser 2834: Degrees of freedom / 15th January 2017
- Teaser 2833: Celebrity dogs / 8th January 2017
- Teaser 2832: A New Year reminiscence / 1st January 2017
::
2016
- Teaser 2831: Nine ladies dancing / 25th December 2016
- Teaser 2830: Time for Christmas / 18th December 2016
- Teaser 2829: Making a dozen / 11th December 2016
- Teaser 2828: Return to Zenda / 4th December 2016
- Teaser 2827: Password / 27th November 2016
- Teaser 2826: By heck! / 20th November 2016
- Teaser 2825: Twin sets / 13th November 2016
- Teaser 2824: New extension / 6th November 2016
- Teaser 2823: Queuing / 30th October 2016
- Teaser 2822: Losing weight / 23rd October 2016
- Teaser 2821: Magic cards / 16th October 2016
- Teaser 2820: Three ages / 9th October 2016
- Teaser 2819: An age-old problem / 2nd October 2016
- Teaser 2818: Accountability / 25th September 2016
- Teaser 2817: Our secret / 18th September 2016
- Teaser 2816: Chat shows / 11th September 2016
- Teaser 2815: PIN-in-the-middle / 4th September 2016
- Teaser 2814: Today’s Teaser / 28th August 2016
- Teaser 2813: Katy’s piggy banks / 21st August 2016
- Teaser 2812: Sum card trick / 14th August 2016
- Teaser 2811: Making arrangements / 7th August 2016
- Teaser 2810: Almost a year apart / 31st July 2016
- Teaser 2809: This and that / 24th July 2016
- Teaser 2808: Hot stuff / 17th July 2016
- Teaser 2807: Pentagons / 10th July 2016
- Teaser 2806: Jack’s jigsaw / 3rd July 2016
- Teaser 2805: Greek urns / 26th June 2016
- Teaser 2804: Spots before the eyes / 19th June 2016
- Teaser 2803: Easy as ABC / 12th June 2016
- Teaser 2802: That’s the ticket! / 5th June 2016
- Teaser 2801: End of season / 29th May 2016
- Teaser 2800: Promoting rugby / 22nd May 2016
- Teaser 2799: Desert patrol / 15th May 2016
- Teaser 2798: Housey-housey / 8th May 2016
- Teaser 2797: Sunday Times table / 1st May 2016
- Teaser 2796: George and the Dragon / 24th April 2016
- Teaser 2795: No mean feat / 17th April 2016
- Teaser 2794: D-day / 10th April 2016
- Teaser 2793: Sum triangles / 3rd April 2016
- Teaser 2792: Easter Teaser / 27th March 2016
- Teaser 2791: Four-square family / 20th March 2016
- Teaser 2790: Factoidels / 13th March 2016
- Teaser 2789: Uncle’s gift (2) / 6th March 2016
- Teaser 2788: Red-letter days / 28th February 2016
- Teaser 2787: Crime-writers convention / 21st February 2016
- Teaser 2786: Out of order / 14th February 2016
- Teaser 2785: Uncle’s gift (1) / 7th February 2016
- Teaser 2784: Three lives / 31st January 2016
- Teaser 2783: Old boys’ banquet / 24th January 2016
- Teaser 2782: Spiders / 17th January 2016
- Teaser 2781: Number time / 10th January 2016
- Teaser 2780: Calendar dice / 3rd January 2016
::
2015
- Teaser 2779: New Year Party / 27th December 2015
- Teaser 2778: Cold turkey / 20th December 2015
- Teaser 2777: Summing up 2015 / 13th December 2015
- Teaser 2776: Winning months / 6th December 2015
- Teaser 2775: Strictly not / 29th November 2015
- Teaser 2774: Loaded dice / 22nd November 2015
- Teaser 2773: King Lear III / 15th November 2015
- Teaser 2772: Madam I’m Adam / 8th November 2015
- Teaser 2771: All Saints Day / 1st November 2015
- Teaser 2770: Football fans / 25th October 2015
- Teaser 2769: Coming home / 18th October 2015
- Teaser 2768: In the bag / 11th October 2015
- Teaser 2767: Cutting corners / 4th October 2015
- Teaser 2766: Two by two / 27th September 2015
- Teaser 2765: Prime points / 20th September 2015
- Teaser 2764: Three little lists / 13th September 2015
- Teaser 2763: Golf challenge / 6th September 2015
- Teaser 2762: What a gem! / 30th August 2015
- Teaser 2761: Digital shuffle / 23rd August 2015
- Teaser 2760: Prime location / 16th August 2015
- Teaser 2759: King Lear II / 9th August 2015
- Teaser 2758: Square dance / 2nd August 2015
- Teaser 2757: Sports quiz / 26th July 2015
- Teaser 2756: Terrible teens / 19th July 2015
- Teaser 2755: Female domination / 12th July 2015
- Teaser 2754: Family history / 5th July 2015
- Teaser 2753: No question about it! / 28th June 2015
- Teaser 2748: I go up and up / 24th May 2015
- Teaser 2741: Neater Easter Teaser / 5th April 2015
- Teaser 2739: Funny dice / 22nd March 2015
- Teaser 2736: HS2 / 1st March 2015
- Teaser 2734: Interlocking squares / 15th February 2015
- Teaser 2733: Letter-writing / 8th February 2015
- Teaser 2731: City snarl-up / 25th January 2015
- Teaser 2730: It’s a lottery / 18th January 2015
::
2014
- Teaser 2727: Happy New Year / 28th December 2014
- Teaser 2726: Christmas star / 21st December 2014
- Teaser 2725: Darts match / 14th December 2014
- Teaser 2724: Headcount / 7th December 2014
- Teaser 2723: St Andrew’s day / 30th November 2014
- Teaser 2722: A simple sum / 23rd November 2014
- Teaser 2721: Milliner’s hat-trick / 16th November 2014
- Teaser 2720: Better tetra / 9th November 2014
- Teaser 2719: Foursums / 2nd November 2014
- Teaser 2705: In the pub / 27th July 2014
- Teaser 2700: Spell check / 22nd June 2014
- Teaser 2699: Low power / 15th June 2014
- Teaser 2684: How safe? / 2nd March 2014
- Teaser 2683: House-to-house / 23rd February 2014
- Teaser 2682: 007 / 16th February 2014
- Teaser 2681: Inconsequential / 9th February 2014
- Teaser 2678: Map snap / 19th January 2014
- Teaser 2677: One for each day / 12th January 2014
::
2013
- Teaser 2674: Roll model / 22nd December 2013
- Teaser 2672: 11, 12, 13 … / 8th December 2013
- Teaser 2663: Missed the plot / 6th October 2013
- Teaser 2662: Number please / 29th September 2013
- Teaser 2655: Sudoprime / 11th August 2013
- Teaser 2650: Squares of oblongs / 7th July 2013
::
2012
- Teaser 2593: Spell it out! / 3rd June 2012
- Teaser 2591: Shilly Chalet / 20th May 2012
::
2011
- Teaser 2570: Christmas Teaser / 25th December 2011
- Teaser 2566: A fulfilling strategy / 27th November 2011
- Teaser 2565: Red and black / 20th November 2011
- Teaser 2551: Take nothing for granted / 14th August 2011
- Teaser 2549: A round trip / 31st July 2011
- Teaser 2544: Neighbourly nonprimes / 26th June 2011
- Teaser 2534: Fiftieth anniversary / 17th April 2011
- Teaser 2533: A lopsided number / 10th April 2011
- Teaser 2532: In hot pursuit / 3rd April 2011
- Teaser 2531 / 27th March 2011
- Teaser 2529 / 13th March 2011
- Teaser 2527 / 27th February 2011
- Teaser 2525: Sandwich filling / 13th February 2011
::
2010
- Teaser 2508 / 17th October 2010
- Teaser 2505 / 26th September 2010
- Teaser 2503 / 12th September 2010
- Teaser 2501 / 29th August 2010
- Teaser 2500 / 22nd August 2010
- Teaser 2499 / 15th August 2010
::
2004
- Teaser 2161: Love Hearts / 15th February 2004
::
2001
- Teaser 2000: 2000 down / 14th January 2001
::
2000
- Teaser 1995: Pyramid selling / 10th December 2000
- Teaser 1991: Numismathematics / 12th November 2000
- Teaser 1986: Protracted calculation / 8th October 2000
- Teaser 1984: Which whatsit is which? / 24th September 2000
- Teaser 1973: Straw store / 9th July 2000
- Teaser 1967: Domino effect / 28th May 2000
- Teaser 1966: Square of primes / 21st May 2000
- Teaser 1958: Pent up / 26th March 2000
- Teaser 1956: Moving the goalpost / 12th March 2000
- Teaser 1948: Square ladder / 16th January 2000
- Teaser 1946: Not the millennium bug / 2nd January 2000
::
1999
- Teaser 1942: Eurosceptics / 5th December 1999
- Teaser 1935: Turner painting / 17th October 1999
- Teaser 1929: Square trip / 5th September 1999
- Teaser 1928: Prime of life / 29th August 1999
- Teaser 1923: Get back to me / 25th July 1999
- Teaser 1917: Trick shots / 13th June 1999
- Teaser 1915: Rabbit, rabbit, rabbit, … / 30th May 1999
- Teaser 1908: Dunroamin / 11th April 1999
- Teaser 1904: Neat answer / 14th March 1999
::
1998
- Teaser 1892: Puzzling present / 20th December 1998
- Teaser 1858: Cash flow / 26th April 1998
- Teaser 1852: Fits to a T / 15th March 1998
- Brainteaser 1847: Home’s best / 8th February 1998
::
1997
- Brainteaser 1839: It’s a knockout / 14th December 1997
- Brainteaser 1835: Dominic’s dominoes / 16th November 1997
- Brainteaser 1823: The special seven / 24th August 1997
- Brainteaser 1822: Teasing triangles / 17th August 1997
- Brainteaser 1819: Early bath / 27th July 1997
- Brainteaser 1816: Polls apart / 6th July 1997
- Brainteaser 1814: Clear heads / 22nd June 1997
- Brainteaser 1808: Next choice / 11th May 1997
- Brainteaser 1805: Find the deuce / 20th April 1997
- Brainteaser 1798: Trisection / 2nd March 1997
- Brainteaser 1795: Dicey columns / 9th February 1997
- Brainteaser 1791: Untied problem / 12th January 1997
::
1996
- Brainteaser 1785: Back to front / 1st December 1996
- Brainteaser 1783: Nine, eight, seven, … / 17th November 1996
- Brainteaser 1782: Unwinding / 10th November 1996
- Brainteaser 1771: Lottery logic / 25th August 1996
- Brainteaser 1770: Magic spell / 18th August 1996
- Brainteaser 1766: House squares / 21st July 1996
- Brainteaser 1757: Enigma variations / 19th May 1996
- Brainteaser 1747: Lottery charges / 10th March 1996
- Brainteaser 1742: Not-so-safe deposit / 4th February 1996
::
1995
- Brainteaser 1734: Scratchcard / 10th December 1995
- Brainteaser 1730: Not so usual / 12th November 1995
- Brainteaser 1724: Like a lamb / 1st October 1995
- Brainteaser 1721: Prime leaps / 10th September 1995
- Brainteaser 1712: Squambling / 9th July 1995
- Brainteaser 1688: Sunday paper / 22nd January 1995
::
1994
- Brainteaser 1675: The A-to-Z of sport / 16th October 1994
- Brainteaser 1661: Goals galore / 10th July 1994
- Brainteaser 1659: Prime cuts / 26th June 1994
- Brainteaser 1657: Not a black and white case / 12th June 1994
- Brainteaser 1649: Ages and ages! / 17th April 1994
- Brainteaser 1635: Double anagram / 9th January 1994
::
1993
- Brainteaser 1633: New Year’s resolution / 26th December 1993
- Brainteaser 1631: Ali Baba’s boxes / 12th December 1993
- Brainteaser 1629: Tangle o’ the aisles / 28th November 1993
- Brainteaser 1625: Jolly sticks / 31st October 1993
- Brainteaser 1611: Scrambled egg / 25th July 1993
- Brainteaser 1610: Word game / 18th July 1993
- Brainteaser 1590: Demonoes / 23rd July 1993
::
1992
- Brainteaser 1575: Quantum scales / 15th November 1992
- Brainteaser 1568: Back to the future / 27th September 1992
- Brainteaser 1567: How many teams? / 20th September 1992
- Brainteaser 1563: Family sum / 23rd August 1992
- Brainteaser 1557: An alphabetical jigsaw / 12th July 1992
- Brainteaser 1547: Doing the rounds / 3rd May 1992
- Brainteaser 1542: Precisely what do I mean? / 29th March 1992
- Brainteaser 1538: Times square / 1st March 1992
::
1991
- Brainteaser 1510: Sum puzzle / 18th August 1991
- Brainteaser 1505: Waste not … / 14th July 1991
::
1987
- Brainteaser 1312: A Times Teaser is … / 25th October 1987
::
1983
- Brainteaser 1108: Field fare / 30th October 1983
::
1982
- Brainteaser 1040: An uncommon number / 4th July 1982
::
1981
- Brain teaser 1000: One thousand down / 20th September 1981
::
1980
- Brain-Teaser 914: Advancing numeracy / 27th January 1980
::
1979
- Brain-Teaser 907: Snakes & ladders / 9th December 1979
- Brain-Teaser 905: Prime square / 25th November 1979
- Brain-Teaser 904: The six ages / 18th November 1979
::
1978
- Brain-Teaser 903: Ding-dong / 26th November 1978
- Brain-Teaser 902: Square telephones / 19th November 1978
- Brain-Teaser 901: Otherwise encaged / 12th November 1978
- Brain-Teaser 896: Handshaking numbers / 8th October 1978
- Brain-Teaser 894: Prime consideration / 24th September 1978
- Brain-Teaser 891: Ups and downs / 3rd September 1978
- Brain-Teaser 890: Round pond boat race / 27th August 1978
- Brain-Teaser 889: Counting the hours / 20th August 1978
- Brain-Teaser 888: Master pieces / 13th August 1978
- Brain-Teaser 887: The valetudinarians / 6th August 1978
- Brain-Teaser 884: Mice in the works / 16th July 1978
- Brain-Teaser 883: Goals galore / 9th July 1978
- Brain-Teaser 882: Another magic class / 2nd July 1978
- Brain-Teaser 879: Seven criminals / 11th June 1978
- Brain-Teaser 869: New type football / 19th March 1978
- Brain-Teaser 859: Sick transit / 8th January 1978
::
1977
- Brain-Teaser 855: Pity the poor postman / 4th December 1977
- Brain-Teaser 851: Hay fever foiled / 6th November 1977
- Brain-Teaser 848: The magic class / 16th October 1977
- Brain-Teaser 846: The Rajah’s jewels / 2nd October 1977
- Brain-Teaser 840: Cake mix variations / 21st August 1977
- Brain-Teaser 835: Traffic light entertainment / 17th July 1977
- Brain-Teaser 817: Fish in the swim / 20th March 1977
- Brain-Teaser 811: When rules were rules … / 6th February 1977
- Brain-Teaser 808: Placing the top ten / 16th January 1977
::
1976
- Brain-Teaser 803: Three perfect squares / 5th December 1976
- Brain-Teaser 790: Multi-value coil / 5th September 1976
- Brain-Teaser 787: Puzzlers’ office party / 15th August 1976
- Brain-Teaser 776: Christmas shopping / 30th May 1976
- Brain-Teaser 774: Postage stamps / 16th May 1976
- Brain-Teaser 771: Doctor Bungle bungles / 25th April 1976
- Brain-Teaser 768: Bus ticket numbers / 4th April 1976
- Brain-Teaser 766: Engagement party / 21st March 1976
- Brain-Teaser 763: Old Father Prime / 29th February 1976
::
1975
- Brain-Teaser 752: Traffic cop / 14th December 1975
- Brain-Teaser 744: Job prediction / 19th October 1975
- Brain-Teaser 737: Regular as clockwork / 31st August 1975
- Brain-Teaser 736: Moving NEWS / 24th August 1975
- Brain-Teaser 731: A little list / 20th July 1975
- Brain-Teaser 730: Miss Brain-Teaser / 13th July 1975
- Brain-Teaser 727: Right hand / 22nd June 1975
- Brain-Teaser 724: Counting sheep … / 1st June 1975
- Brain-Teaser 719: Wotta-Woppa! / 27th April 1975
- Brain-Teaser 718: An eccentric race / 20th April 1975
- Brain-Teaser 717: Wrong hands / 13th April 1975
- Brain-Teaser 713: Better and better / 16th March 1975
- Brain-Teaser 707: The reigning king / 2nd February 1975
- Brain-Teaser 704: … Go! / 12th January 1975
- Brain-Teaser 703: Wheels of fortune / 5th January 1975
::
1974
- Brain-Teaser 702: That’s torn it … again / 29th December 1974
- Brain-Teaser 699: The deflating mangoes / 8th December 1974
- Brain-Teaser 696: The Browning version / 17th November 1974
- Brain-Teaser 695: Sitting on a gate / 10th November 1974
- Brain-Teaser 693: Ready … / 27th October 1974
- Brain-Teaser 692: First-class post / 20th October 1974
- Brain-Teaser 691: That’s torn it … / 13th October 1974
- Brain-Teaser 690: … And two poles / 6th October 1974
- Brain-Teaser 687: Fair deal / 15th September 1974
- Brain-Teaser 685: Overseas mail / 1st September 1974
- Brain-Teaser 683: Powerless / 18th August 1974
- Brain-Teaser 682: Jigsaw / 11th August 1974
- Brain-Teaser 673: Crux numerorum / 9th June 1974
- Brain-Teaser 668: Sweepstakes sixfold / 28th April 1974
- Brain-Teaser 661: The logical choice / 10th March 1974
- Brain-Teaser 660: An efficient type / 3rd March 1974
- Brain-Teaser 658: Fiendish device / 17th February 1974
- Brain-Teaser 652: Stumped! / 6th January 1974
::
1971
- Brain-Teaser 524 / 27th June 1971
- Brain-Teaser 523 / 20th June 1971
- Brain-Teaser 522 / 13th June 1971
- Brain-Teaser 521 / 6th June 1971
- Brain-Teaser 520 / 30th May 1971
- Brain-Teaser 519 / 23rd May 1971
- Brain-Teaser 518 / 16th May 1971
- Brain-Teaser 517 / 9th May 1971
- Brain-Teaser 516 / 2nd May 1971
- Brain-Teaser 515 / 25th April 1971
- Brain-Teaser 514 / 18th April 1971
- Brain-Teaser 513 / 11th April 1971
- Brain-Teaser 512 / 4th April 1971
- Brain-Teaser 511 / 28th March 1971
- Brain-Teaser 510 / 21st March 1971
- Brain-Teaser 509 / 14th March 1971
- Brain-Teaser 508 / 7th March 1971
- Brain-Teaser 507 / 28th February 1971
- Brain-Teaser 506 / 21st February 1971
- Brain-Teaser 505 / 14th February 1971
- Brain-Teaser 504 / 7th February 1971
- Brain-Teaser 503 / 31st January 1971
- Brain-Teaser 502 / 17th January 1971
- Brain-Teaser 501 / 10th January 1971
::
1970
- Brain-Teaser 499 / 20th December 1970
- Brain-Teaser 497 / 6th December 1970
- Brain-Teaser 496 / 29th November 1970
- Brain-Teaser 495 / 22nd November 1970
- Brain-Teaser 494 / 15th November 1970
- Brain-Teaser 493 / 8th November 1970
- Brain-Teaser 492 / 1st November 1970
- Brain-Teaser 491 / 25th October 1970
- Brain-Teaser 490 / 18th October 1970
- Brain-Teaser 489 / 11th October 1970
- Brain-Teaser 488 / 4th October 1970
- Brain-Teaser 487 / 27th September 1970
- Brain-Teaser 486 / 20th September 1970
- Brain-Teaser 485 / 13th September 1970
- Brain-Teaser 484 / 6th September 1970
- Brain-Teaser 483 / 30th August 1970
- Brain-Teaser 482 / 23rd August 1970
- Brain-Teaser 481 / 16th August 1970
- Brain-Teaser 480 / 9th August 1970
- Brain-Teaser 479 / 2nd August 1970
- Brain-Teaser 478 / 26th July 1970
- Brain-Teaser 477 / 19th July 1970
- Brain-Teaser 476 / 12th July 1970
- Brain-Teaser 475 / 5th July 1970
- Brain-Teaser 474 / 28th June 1970
- Brain-Teaser 473 / 21st June 1970
- Brain-Teaser 472 / 14th June 1970
- Brain-Teaser 471 / 7th June 1970
- Brain-Teaser 470 / 31st May 1970
- Brain-Teaser 469 / 24th May 1970
- Brain-Teaser 468 / 17th May 1970
- Brain-Teaser 467 / 10th May 1970
- Brain-Teaser 466 / 3rd May 1970
- Brain-Teaser 465 / 26th April 1970
- Brain-Teaser 464 / 19th April 1970
- Brain-Teaser 463 / 12th April 1970
- Brain-Teaser 462 / 5th April 1970
- Brain-Teaser 461 / 29th March 1970
- Brain-Teaser 460 / 22nd March 1970
- Brain-Teaser 459 / 8th March 1970
- Brain-Teaser 458 / 1st March 1970
- Brain-Teaser 457 / 15th February 1970
- Brain-Teaser 456 / 8th February 1970
- Brain-Teaser 455 / 1st February 1970
- Brain-Teaser 454 / 25th January 1970
- Brain-Teaser 453 / 18th January 1970
- Brain-Teaser 452 / 11th January 1970
- Brain-Teaser 451 / 4th January 1970
::
1964
- Brain-Teaser 186 / 15th November 1964
- Brain-Teaser 161: 100-yard race / 10th May 1964
- Brain-Teaser 159: Fallen leaves / 26th April 1964
- Brain-Teaser 150: Paving the way / 23rd February 1964
::
1963
- Brain-Teaser 120: Rugby results / 14th July 1963
- Brain-Teaser 110: Rectangular blocks / 5th May 1963
- Brain-Teaser 101: Midsummer birthday madness / 3rd March 1963
::
1962
- Brain-Teaser 87: Inter-schools trophy / 25th November 1962
- Brain-Teaser 77: Ali’s counter move / 16th September 1962
- Brain-Teaser 51: In defiance of insomnia / 11th March 1962
- Brain-Teaser 45: Ben’s big ‘uns / 28th January 1962
- Brain-Teaser 44: The Omnibombulator / 21st January 1962
- Brain-Teaser 43 / 14th January 1962
- Brain-Teaser 42 / 7th January 1962
::
1961
- Brain-Teaser 41: Selecting a team / 31st December 1961
- Brain-Teaser 40: Christmas greetings / 24th December 1961
- Brain-Teaser 39 / 17th December 1961
- Brain-Teaser 38: Digital computer / 10th December 1961
- Brain-Teaser 37 / 3rd December 1961
- Brain-Teaser 36 / 26th November 1961
- Brain-Teaser 35: After-lunch golf / 19th November 1961
- Brain-Teaser 34: Rouge et noir / 12th November 1961
- Brain-Teaser 33: Postal purchases / 5th November 1961
- Brain-Teaser 32 / 29th October 1961
- Brain-Teaser 31 / 22nd October 1961
- Brain-Teaser 30 / 15th October 1961
- Brain-Teaser 29 / 8th October 1961
- Brain-Teaser 28: Army squares / 1st October 1961
- Brain-Teaser 27: Foggy birthday / 24th September 1961
- Brain-Teaser 26: Farmer’s overdraft / 17th September 1961
- Brain-Teaser 25 / 10th September 1961
- Brain-Teaser 24 / 3rd September 1961
- Brain-Teaser 23 / 27th August 1961
- Brain-Teaser 22 / 20th August 1961
- Brain-Teaser 21 / 13th August 1961
- Brain-Teaser 20: The kite / 6th August 1961
- Brain-Teaser 19: Hillside Farm / 9th July 1961
- Brain-Teaser 18 / 2nd July 1961
- Brain-Teaser 17 / 25th June 1961
- Brain-Teaser 16 / 18th June 1961
- Brain-Teaser 15: Bumper’s final ball / 11th June 1961
- Brain-Teaser 14: Cross-country / 4th June 1961
- Brain-Teaser 13 / 28th May 1961
- Brain-Teaser 12 / 14th/21st May 1961
- Brain-Teaser 11: Circulation poor / 7th May 1961
- Brain-Teaser 10 / 30th April 1961
- Brain-Teaser 9: Whose daughter? / 23rd April 1961
- Brain-Teaser 8: Cat and dog / 16th April 1961
- Brain-Teaser 7: The Golden Wedding / 9th April 1961
- Brain-Teaser 6 / 2nd April 1961
- Brain-Teaser 5: Independent witness / 26th March 1961
- Brain-Teaser 4 / 19th March 1961
- Brain-Teaser 3: People on a bus / 12th March 1961
- Brain-Teaser 2: Stop watch / 5th March 1961
- Brain-Teaser 1: Tall story / 26th February 1961
::
Earlier
- Brain-Teaser: Silver collection / 31st July 1960
- Brain Teaser: What’s his number? / 20th December 1959
- Brain Teaser: Crossing the desert / 29th March 1959
- Brain Teaser: An Oxford medley / 21st December 1958
- A Holiday Brain Teaser: Mental arithmetic / 3rd August 1958
- An Easter Brain-Teaser: Indoor sports / 6th April 1958
- Brain-Teaser: Saturday’s child / 22nd December 1957
- A Holiday Brain Teaser / 4th August 1957
- A Brain-Teaser / 9th June 1957
- A Brain-Teaser / 12th April 1957
- Brain Teaser: The cottage / 23rd December 1956
- Brain Teaser: Noughts and crosses / 23rd December 1956
- A Brain Teaser: Rose beds / 25th December 1955
- Brain Teaser: Tea table talk / 26th December 1954
- A Brain Teaser / 21st December 1952
- A Brain Teaser: Trial and Error / 13th April 1952
- Brain Teaser: Four fours / 25th December 1949
- An American Brain Teaser / 5th June 1949
- A Brain-Teaser / 2nd January 1949
::
Enigmatic Code 
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