Queens Game
How to play Queens Game
Place N queens on an N by N board while satisfying row, column, region, and adjacency constraints.
Goal
Fill the board with exactly N queens. Each row, column, and colored region needs one queen.
Controls
Tap an empty cell to place X, tap X to place a queen, and tap a queen to clear it. Drag marks X cells.
Conflicts
Two queens conflict if they share a row, column, region, or touch each other in any direction.
Winning
The puzzle is complete when every rule is satisfied at the same time.