Sometimes, the name of the game says it all. It probably won’t surprise you that that’s the case right here. In Filler 2, you have to fill the screen. Fill up two-thirds of it to advance to the next level. Filling the screen is simple; just click the mouse button somewhere, and a bubble starts filling up.
The bigger you manage to make the bubbles, the faster you’ll progress. Making them big is dangerous however, if you touch one of the red dots, you’ll lose a turn. The number of turns you have to fill a level is limited, so make good use of them!