Sudoku Duel: Race Friends

Solve gorgeous Sudoku, then dare a friend to beat your time. No ads, no sign-ups — just the grid and bragging rights. A fresh puzzle for everyone every day!

Sudoku Duel is beautiful, classic Sudoku with a twist: when you solve a puzzle, you can send the exact same board to a friend and challenge them to beat your time.

• Four difficulties from Easy to Expert, every puzzle with a single unique solution • Pencil marks, hints, undo, and smart highlighting • A new Daily Puzzle for everyone, with streaks • Track your best times, win rate, and duel record • 12 achievements to unlock and 5 gorgeous themes • No account, no sign-up, no ads

Challenge a friend. Beat their time. Become the champion.