One per row & column
Place a queen and its whole row and column are spoken for.
A cozy logic puzzle with no numbers and no guessing. Just bright colors, clever deductions, and that little crown-shaped “aha.”
How to play
Learn it in ten seconds. Every board has exactly one solution, so logic always wins.
Place a queen and its whole row and column are spoken for.
Every colored region gets exactly one crown. No more, no less.
Not even corner to corner. Give every queen a little personal space.
Pure logic
Every board has one solution you can reach by reasoning alone. No coin flips, no lucky taps. And when you’re stuck, a hint is one tap away.
Daily ritual
A fresh board lands every day. Solve it in a few minutes, grow your streak, and dig into the archive whenever you want more.
Free to download. Your first crown is just a few minutes away.
Download on theApp Store