A modern take on Sudoku, this puzzle game replaces numbers with colors. Solve challenges by ensuring no repeated colors in rows, columns, or blocks. Unlock tools and progress through various difficulty levels.
1.0.4
March 3, 2026
This update introduces Daily Challenge for a fresh puzzle every day, adds new Mini Game modes for quick sessions, and includes smoother gameplay, UI polish, and performance improvements. It also adds Draw Mode, where you can create your own colorful sudoku-style boards and play your way.
More$0.99
500 Stars
500 stars to use for hints and checks
CoKu is a puzzle game that offers a colorful twist on classic Sudoku. Instead of numbers, players use colors to complete rows, columns, and blocks without repetition.
No, CoKu does not contain advertisements. The app is free to download and play, with optional in-app purchases available.
CoKu features a Daily Challenge, quick Mini Game modes, and a Draw Mode where you can create your own colorful boards.
CoKu offers Easy, Medium, and Hard difficulty levels, allowing players to choose a pace that suits their skill and preference, from relaxed practice to advanced challenges.
As you play CoKu, you earn stars by completing puzzles and can unlock helpful tools. The game also features dynamic scoring and progress tracking.
CoKu is available on iPhone and iPad, offering a responsive and polished experience with intuitive touch controls and haptic feedback.
The latest version of CoKu, 1.0.4, was last updated on March 3, 2026. The app was initially released on January 20, 2025.
CoKu has an age rating of 4+, making it suitable for a wide range of players interested in logic and color-based puzzles.
