Puzzle Index

  1. 1.2.3
  2. 15 Puzzle
  3. 2, 3, 10, 12, 13, 20, ...
  4. 24 Puzzles
  5. The Amoeba Problem
  6. Angel Problem
  7. Temperature Antipodes
  8. Average Salary
  9. Beer Rings
  10. Boxing Day
  11. Boy, Girl, Dog
  12. Broken Calculator
  13. Buffon's Needle Problem
  14. The Bug/Rubber Band Problem
  15. Camel
  16. Infinite Checkerboard
  17. Chess Mystery Mate
  18. Cigarettes
  19. Answering Machine Hacking
  20. The Computer Problem
  21. Condoms
  22. Cyber Honker Robot Swan
  23. Date Dice
  24. Dicycle
  25. Domino Dilemma
  26. Firing Squad
  27. Forcefield Detainment
  28. The Puzzle of the Fox and the Duck
  29. Fuses
  30. Happy and Sad Numbers
  31. Inscribed Circle
  32. The Least Unique Game
  33. Lion/Lion Tamer
  34. Lucky Numbers
  35. Mark Square
  36. Maximum Product
  37. McNuggles
  38. Monty and Waldo
  39. Mr. S. and Mr. P.
  40. Phone Booth
  41. Bloodthirsty Pirates Dividing Treasure
  42. Points on a Sphere
  43. The Poker Problem
  44. Polar Bear
  45. The Prisoner's Problem
  46. The Prisoners' Switch Problems
  47. The Prisoners' Hats Probem
  48. Pyramid
  49. 4 Queens
  50. Red
  51. Scrabble Alphabet
  52. Slash and Dash Sequence
  53. The Snow Plow Problem
  54. Special Numbers
  55. Spot, the Marching Soldiers Dog
  56. Square Cut 1
  57. Square Thirds
  58. Stool
  59. Street Parking
  60. Submarine
  61. The Termite Problem
  62. The Triangle Problem
  63. Two Fours
  64. Typewriter Gibberish
  65. The Ylvisaker 2-Hang