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What's new in this version

Welcome to the 2021 version of Sudoku. Relieve boredom, have fun and exercise your mind all at the same time, how can you lose! * Smoother and more refined user interface across more devices. * Updated dependent SDKs * A number of bug fixes.


  • Supports 6x6, 8x8, 9x9, and Jigsaw Sudokus.
  • Ability to generate an unlimited number of symmetrical single solution games on any board size.
  • Support for the popular game variation requiring the diagonals to contain unique pieces.
  • Ability to mark squares with possible moves to aid in solving.
  • Support for the ‘cross hatch’ board solving technique.
  • Freeze the board, enabling you to easily return to previous game positions.
  • Check the validity of a board at any stage.
  • Lightning fast solver able to solve any external puzzle.
  • Easy, medium and hard levels of game play.