How to Play
🧩
Fill the grid so that each row and each column contains exactly one of each color.
🎨
Select a color from the palette at the bottom, then tap empty cells to place it.
💡
Tap a filled empty cell again to cycle colors, or use the eraser to clear it.
⚠️
Conflicts flash red. Use the Check button to validate your solution.
⭐
Solve puzzles quickly for best times. Try the daily challenge for a shared puzzle!