Hard Color by Number for Adults, No Download

13 hard color by number puzzles sit at the top of the GRIDANGO catalogue: 128x128 and 128x200 boards of 16,384 to 25,600 cells, each with 24 to 37 colors. They are built for long sessions: zoom in with a pinch or the mouse wheel, pan with a two-finger drag on touch or a right-button drag with a mouse, and progress is saved in your browser so you can close the tab and pick the board up later. Free to play, no download, no sign-up.

Every hard puzzle

The sets behind them

Questions people ask

How big are the hard puzzles?

128x128 and 128x200 cells, which is 16,384 to 25,600 cells per board, with 24 to 37 colors. The sets are Beach Day High-Res (3), City Vacation High-Res (5) and Catino-Gelatino (5).

Can I stop and come back later?

Yes. Progress is saved in your browser, so you can close the tab and continue on the same device and browser. Clearing site data resets it.

Which tools help on a big board?

Tools unlock as you finish puzzles: a bigger brush after 2, Peek (hold it to preview the finished picture) after 3, the Prism Brush (paints the right color on the tiles you touch, 3 charges a day) after 5, and palette sort and filter after 8. They matter most on the biggest boards.

One moment