Color Sudoku Duels

Sudoku with colors or classic numbers. Solve on your own, or play the same puzzle against someone online.

View on the App Store

Color or Numbers

Switch between nine distinct colors and the familiar digits 1 through 9.

Verified Puzzles

Every generated board is checked for one valid solution and the chosen difficulty.

Online Duels

Game Center gives both players the same puzzle and shows how much each player has left.

Global Times

Compare verified completion times by difficulty and track your own best.

No ads or tracking. Game Center runs online play, and RevenueCat validates the one-time lifetime purchase.

Privacy PolicyHow local data, Game Center, and purchase validation work. Terms of UseRules for gameplay, online duels, and lifetime access. License AgreementLicensing and support terms for the iPhone and iPad app.