Partition the board into regions with half-turn symmetry around their centers.

Color irregular territories without giving neighbors the same color.

Choose weighted squares to satisfy all row and column totals.

Fill connected thermometer tubes to match the row and column counts.

Pair neighboring numbers into a complete set of distinct dominoes.

Rotate network tiles until every terminal connects without a loose end.

Fit tetrominoes inside regions and connect them under shape restrictions.

Combine directional blocker counts with a loop through the remaining squares.

Divide a numbered board into connected regions with carefully bounded areas.

Grow a purple colony by cloning nearby or jumping across the board.

Race a compact army to the opposite edge against the CPU.

Move your amazons and seal territory with permanent blocking arrows.