Pixels Filling Squares is an idle game. Watch pixels fill squares, buy more squares to have more pixels, collect pixels to upgrade their speed and unlock new types of pixels, and keep it going until you are have nothing to upgrade anymore.
Please be aware that this is a Flash game. Unfortunately, many modern browsers have discontinued support for Flash, which means that the game may not function correctly. If you encounter issues with the game not working as expected, we recommend trying Basilisk instead. Basilisk is a safe, Firefox-based browser that comes with built-in native Flash support, which should help you play the game without any problems.