Ultra Sudoku
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About Ultra Sudoku
Ultra Sudoku is a Sudoku puzzle game with classic and expanded grid formats. Solve puzzles on 9x9 and 16x16 boards, or try Mix 4x9x9 and 5x9x9 boards, where multiple grids intertwine.
Frequently asked questions
Yes. Ultra Sudoku is free to play on Steam, so there is nothing to buy to start playing.
The minimum requirements for Ultra Sudoku are: Windows 10, 2 GB RAM, 150 MB storage. It runs on Windows only. The recommended specs are in the System requirements section.
No. Ultra Sudoku is a single-player game.
Mostly, yes. Valve rates Ultra Sudoku as Playable on the Steam Deck: it runs, but may need some manual setup.
Yes. Ultra Sudoku is the full base game. You need nothing else to play it.
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