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IMPORTANT INFORMATION: We are sad to announce that the YouPlay website will be closing at the end of January. Unfortunately technology has moved on, making continued support for it unsustainable. To continue your love of online crosswords & puzzles, please visit lovattspuzzles.com

Sudoku & Logic Puzzles

  • Click here to play Sudoku

    Sudoku

    Sudoku is the latest craze in logic puzzles. Deceptively simple, get set for hours of frustrating online fun!

    This is a singleplayer game.This is a token earning game.This is a points earning game. Plays: 2542
  • Click here to play X Sudoku

    X Sudoku

    The perfect daily sudoku challenge for those who like their puzzles eXtreme! Do you have the Sudoku X-factor?

    This is a singleplayer game.This is a token earning game.This is a points earning game. Plays: 1554
  • Click here to play CALkuro

    CALkuro

    The puzzle that makes you smarter!

    This is a singleplayer game.This is a token earning game.This is a points earning game. Plays: 1114
  • Click here to play Addoku

    Addoku

    Rewarding patience and logic, Addoku is often called "Killer Sudoku"™. Play once and you'll be hooked!

    This is a singleplayer game.This is a token earning game.This is a points earning game. Plays: 1069
  • Click here to play Ripple Effect

    Ripple Effect

    Unleash the chain reaction in this challenging logic puzzle with a twist!

    This is a singleplayer game.This is a token earning game.This is a points earning game. Plays: 999
  • Click here to play Kakuro

    Kakuro

    Play Kakuro online - an addictive brain-teaser that combines the logic and simplicity of Sudoku with basic maths.

    This is a singleplayer game.This is a token earning game.This is a points earning game. Plays: 946
  • Click here to play ShapeShifter

    ShapeShifter

    A shapely variation of classic Sudoku, the colourful ShapeShifter is sure to brighten your day.

    This is a singleplayer game.This is a token earning game.This is a points earning game. Plays: 906
  • Click here to play Hitori Island

    Hitori Island

    Sail away to Hitori Island. Delete the duplicates to reveal your island paradise.

    This is a singleplayer game.This is a token earning game.This is a points earning game. Plays: 901
  • Click here to play X Addoku

    X Addoku

    An eXciting variation of Addoku, this logic puzzle will make your day eXtra special!

    This is a singleplayer game.This is a token earning game.This is a points earning game. Plays: 826
  • Click here to play Windoku

    Windoku

    Look through the windows of Windoku to discover a unique logic puzzle experience.

    This is a singleplayer game.This is a token earning game.This is a points earning game. Plays: 545
  • Click here to play ShapeShifter Addoku

    ShapeShifter Addoku

    Unlock the mysteries of ShapeShifter Addoku, a challenge for all skill levels.

    This is a singleplayer game.This is a token earning game.This is a points earning game. Plays: 494
  • Click here to play Sudoku Combat

    Sudoku Combat

    Sudoku fans will love this fast-paced multiplayer version. Challenge an opponent in real time and battle it out to WIN!

    This is a multiplayer game. Plays: 1