Sudoku: Color

Sudoku — but make it colorful. Sudoku: Color replaces numbers with 9 vibrant hues, making every puzzle a visual delight that's easy to pick up and impossible to put down. HOW IT WORKS Fill every row, column, and 3×3 box with all 9 colors — no repeats. The same satisfying logic as classic Sudoku, but the color format welcomes newcomers while keeping all the depth veterans love. FOUR WAYS TO PLAY → New Game — choose Breezy, Easy, Medium, Hard, or Expert difficulty → Daily Challenge — a new puzzle every day with a unique twist: No Mistakes mode, Time Attack, or Hintless runs. Build your streak. → Expert Mode — wrong placements are allowed. Spot and fix your own mistakes. Every undo counts. → Online Multiplayer — race real opponents over the internet. Share a room code, get matched in seconds, and settle it with an instant rematch. BEAUTIFUL BY DESIGN • 7 hand-crafted color palettes: Original, Horizon, Spring, Summer, Autumn, Winter, and the dark Nightmare Pack • Light & dark themes that follow your system setting • Clean, distraction-free board built for touchscreens ACHIEVEMENTS & LEADERBOARDS • 70 achievements: speed runs, perfect games, streaks, combos, and more • Game Center leaderboards — compete for the fastest times globally • Daily streak tracker with 7-day calendar view SMART FEATURES • Auto-notes instantly show all valid candidates • Color conflict highlighting and remaining-count badges • Procedural sound effects and haptic feedback • Full game save — resume exactly where you left off Free to play. Remove Ads and the Nightmare Palette Pack are available as optional purchases.