Mosaic Fill
Each number counts the filled tiles around it. Fill the right ones and a hidden pixel picture comes to life, colour by colour.
Play nowHow to play


Controls
TapDragKeyboard←→↑↓ Space- Tap to fill, again to mark empty, again to clear.
- Drag to paint many.
- Keys: arrows and Space.
About the game
Mosaic Fill is a picture logic puzzle, also known as Fill-a-Pix. Each number counts how many tiles are filled in the three by three block around it, the number's own tile included. Use the numbers to work out every tile, and a hidden pixel picture appears: a fox, a lighthouse, a turtle and many more.
Thirty-six hand-drawn pictures grow from six by six to twelve by twelve, and each has exactly one solution reached by logic. The picture bleeds in while you play: as soon as a block around a number is fully decided, its tiles take on their real colours, so the image slowly comes to life. Mistakes glow red, undo is unlimited, and the hint explains every tile it places.
Free to play in your browser. No download, no sign-up. Works on phones, tablets and computers. Your progress is saved on this device.











