How to play
- Place two stars in every row, every column and every outlined region.
- Stars can’t touch each other, not even at a corner.
- Tap a square once for a dot, twice for a star. Drag to dot several squares.
Keyboard: arrows move, space cycles, s star, x dot, backspace clears, h hint, Ctrl+Z undo, Ctrl+Shift+Z redo.
Learn the logic behind it