One cat in every colour. No two cats in the same row or column, and none touching, even at the corners.
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How to play
Tap a square once to cross it out, twice to place a cat, three times to clear it.
Drag across squares to cross them out quickly.
With a mouse, turn on Mouse mode: left-click crosses out, right-click places a cat.
Placing a cat crosses out the rest of its row, column and colour, and the squares touching it, for you (Toggle possible places, in Settings).
Every coloured area needs exactly one cat.
Each row and each column holds exactly one cat.
Cats can't sit next to each other, diagonals included. Clashing cats get a red ring.
A colour, row or column crossed out everywhere turns red: it has nowhere left for its cat.
There are three modes: 6 × 6, 8 × 8 and 9 × 9, each with its own 100 levels, from easy to expert.
Levels are the same for everyone, so you can race a friend on the same board.
Pick Endless at the bottom of the level list for a fresh random puzzle every time.
📅 Daily, at the top of the level list, is one new puzzle a day for everyone: easy on Mondays, expert on Sundays. Solve one each day to keep your streak.
✏️ Custom levels, near the top of the level list: paint your own puzzle and send the link to friends. The editor checks there's exactly one answer.
Clear wipes the board without resetting your time; Restart starts the level over completely.
Save up to four positions to try an idea and jump back if it goes wrong (↻ saves over one). In a lobby everyone shares them.
Open Settings to toggle these helpers and see which of the 100 colours you've collected.
Open Play together to join a lobby or start one, and play one board live with friends on their own devices. Pick Two boards to split into Board A and Board B side by side, or Race to each solve your own copy against the clock.