Paint the Walls
There was no need to re-invent a wheel. There are a lot of good algorithms for it. This is a great feature that is perceived by our brain, as an expression of creativity, protecting us from the inner mental strain.
It is used occasionally in casual games and usual have poor implementation. Painting of everything is an important part of fun in our gameplay. It’s like a toy – you can do what ever you want.
Create with Colors Shooter!