Puzzles

General Puzzles:

  • Jane Street Puzzle archive
  • Thanu Padmanabhan's play themes
  • Misc Puzzles
  • Gurmeet Manku puzzles page
  • 100 Prisoners Escape Puzzle
  • Quine Puzzle
  • The Puzzle Toad
  • The Riddles
  • Math is fun puzzles
  • A Fantastic Geometry Puzzle!
  • Mind your decisions - Presh Talwalkar

    Logic puzzles:

  • The Hardest Logic Puzzle ever

    Other puzzles:

  • Simon Tatham's Portable Puzzle Collection
  • Zebra Puzzles
  • Concept is Puzzles
  • Pentominoes
  • Simon Tatham's Puzzles (Browser version)
  • Puzzle Bridges