HueSort

Every tile is a color. Put them in the right order and the whole board becomes one smooth gradient.

The squares with dots on them are already fixed. Everything else is up to you - tap two tiles to trade places, or drag one onto another.

Daily - one puzzle, the same for everybody, a new one every day. Solve it, keep your streak alive, share your score.

Levels - starts at 4 x 4 and grows to 8 x 8, with fewer and fewer tiles given to you.

No download, no account, no ads. Works on a phone. Free - tips welcome if you get hooked.