Most played logical game worldwide!

Easy and addictive. All you need is your logic and willingness to overcome the challenge.

Join the cultural phenomenon that reminds the popularity of the Rubik's cube in the 1980s.

Sudoku is a logical puzzle consisting of a 9x9 grid, divided into 9 blocks, each with 3x3 cells.

The goal is to fill in the empty cells, one number in each, so that each row, column and block contains the numbers 1-9 exactly once. Each number in the solution therefore occurs only once in each of three "directions" (wikipedia).

• Generate thousands of puzzles in 6 levels of difficulty
• Copy a puzzle from a newspaper or create your own
• Load a puzzle by ID (way of sharing puzzles)
• Auto Save / Load game
• Skinable user interface
• Selectable fonts for numbers and pencil marks

• 2 basic input modes (“sticky digits” or “tap&select”)
• Possibility to pause
• Undo / Redo
• Statistics

• Puzzle solver
• Pencil marks - manual or maintained by the program
• 'Forbid block conflicts' mode
• Various options to check for incorrect input
• Hints

• Optimized for one-hand use
• Fully playable with the keyboard
• Rich keyboard shortcuts and customizable HW keys

• Improved design  NEW! 
• New skins  NEW! 
• Save/load to/from a number of external formats.  NEW!