Colordoku

Ready Cross off impossible squares, then place marks.

Input

Drag to cross off. Double-click, double-tap, or right-click to place a mark.

←↑↓→ Move
Home End Row start or end
Space X Cross off
Enter M Place mark

Game

Hints

Hint

Record

Wins: 0
Losses: 0
Win rate: –
Best score: 0

Saved in this browser only.

Rules

Exactly one mark in every row.
Exactly one mark in every column.
Exactly one mark in every color.
Marks cannot touch, even diagonally.
Every wrong mark costs a life.