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From the main menu, tap a difficulty and select a board, then choose a multiplayer mode (Time Attack, Versus, or Co-op). You'll enter a lobby where you can create a room or join one with a room code. Share the code with a friend to invite them.
Kudosu is a challenge mode where some of the board's pre-filled clue cells are corrupted with incorrect values. Your job is to identify and flag the corrupted cells before time runs out. Higher tiers corrupt more cells and give you less time.
In Versus mode, if you place the same digit as the previous player and it completes a section (row, column, or box), you earn a Flawless bonus and keep your turn. You can chain Flawless bonuses by matching your own last digit on your bonus turn.
Scores are saved locally on your device after each completed board. If you force-quit the app mid-game, progress since your last auto-save may be lost. Make sure to complete boards fully for scores to register on the leaderboard.
You start each session with 3 free hints. Watch a short rewarded ad to earn 3 more at any time from the game screen.
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