Su2ku - Sudoku for 2

Sudoku, kept simple. Play solo across 3,000 Classic, Diagonal, and Hyper Sudoku levels. Solve together on one shared board, or compete head-to-head in Duel. • Solo, Coop, and Duel • 3,000 levels across four difficulties • Classic, Diagonal, and Hyper Solo • Notes, hints, undo, and mistake checks • Friends by username • Shared moves for two-player games • Private live Coop chat, reactions, and drawings • One-time ad removal Live Coop interactions are not kept as chat history. Just Sudoku with the people you choose.