How to play Halves
- Fill every square with a disc or a ring.
- No more than two of the same side by side in a row or column.
- Each row and column has as many discs as rings.
- No two rows are the same, and no two columns are the same.
Tap a square to cycle disc, ring, empty. Keys: ←↑→↓ move, 1 disc, 0 ring, ⌫ clear, Ctrl+Z undo.
Hints explain one step from your current board. Reveal fills in what a hint proved and is counted separately.