How to Play Mosaic
Fill each cell either black or white.
Some cells contain a number clue. The number indicates how many cells in its 3x3 neighborhood (including itself) are black.
A cell in the corner has only 4 neighbors, an edge cell has 6, and an interior cell has 9.
Left-click to cycle: empty → black → white → empty.
Right-click to cycle in reverse.
Fill all cells so every clue is satisfied to win!