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Sudoku Classic

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About Sudoku Classic

Sudoku Classic is a Sudoku game designed to feel like writing with a pen on paper while offering the convenience of a video game. You can customize its assist functions and turn them on or off to suit your preferences.

It includes 300 puzzles across three difficulty levels: EASY, NORMAL and HARD.

Frequently asked questions

Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.

Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.

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