Sudo.ku

Sudoku, but make it fun. Pick your challenge - from Baby Mode to Absolute Unit - and solve puzzles at your own pace. No lives, no penalties, no stress. Just you, the grid, and good vibes. FEATURES • 4 difficulty levels: Easy, Medium, Hard, and Extra Hard • Notes mode for pencil marks • Paint mode: tap a number, then fill multiple cells in a row • Undo moves anytime • Cell Checker & Cross Checker power-ups • Auto-save - pick up where you left off • Personal stats: best times, streaks, and game history • Haptic feedback & sound effects • Clean, colorful candy-themed design FREE TO PLAY Play for free with occasional ads, or grab the one-time ad removal. Earn extra tools by watching rewarded ads, or buy tool packs in the shop. Whether you're killing time on the bus or training your brain before bed - this Sudoku's got you.