Logic Puzzlesby Spark & Spiral

Logic puzzles

  • Aquarium
  • Binary Sudoku+
  • Color Flood
  • Crowns
  • Cryptograms
  • Daily Logic Puzzles
  • Dominosa
  • Dot Stream
  • Futoshiki
  • Galaxies
  • Calcudoku
  • Kurodoku
  • LITS
  • Logic Grid Puzzles
  • Mine Finder
  • Mosaic
  • Nonograms
  • NoriNori
  • Pipes
  • Renzoku
  • Skyscrapers
  • Slant
  • Sudoku
  • Thermometers
  • Yin-Yang
All logic games →

Word games

  • Final Phrase
  • Medieval Word Twister
  • Word Wheel
All word games →

Card games

  • Euchre
  • Solitaire Pro Collection
All card games →

Printable

  • This week's puzzle pack
  • Logic grid puzzles
  • Crowns
  • Binary Sudoku
  • Aquarium
  • Sudoku
  • Tent Logic
  • Nonograms
  • Calcudoku
All printable puzzles →
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Enjoying Mine Finder? Get eight new logic puzzles every day in our free app

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Play Mine Finder Online - Free No-Guess Logic Puzzle

Play Mine Finder online for free! A mine-finding logic puzzle where every board is solvable without guessing. Use number clues to find the hidden mines and clear the board.

Logic Puzzles

Free, fair, beautifully made logic puzzles. Made in Canada by Spark & Spiral.

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Popular Puzzles

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Every puzzle solvable by logic alone.