One queen per row, column and color

Simple rules, deep logic. Queens never touch, not even diagonally. Every puzzle has exactly one solution and can be solved without guessing.

1,000 levels

Ten palace rooms with a hundred levels each, from gentle 5×5 boards to expert 10×10 challenges.

Restore a forgotten palace

Every ten levels bring a ruined hall back to its golden glory. Finish a room to meet its gem queen.

A new puzzle every day

Keep your streak alive with the Daily Puzzle, then climb the Game Center leaderboards.

Hints that teach

Stuck? A queen explains the next logical step instead of just placing a piece for you.

Fair to play

No ads in the middle of a puzzle. Your progress syncs across your devices with iCloud.