SWhich?

SWhich is a puzzle game in which switches are used to flip on and off a matrix of colored bulbs. Colorless switches affect a whole row or column while colored switches flip all bulbs of a particular color. The aim is to light the required amount of colored bulbs using the least amount of moves possible. There are 3 different game types with a total of 360 unique levels plus unlimited randomly-generated levels for the One Button Challenge game!

Check the gameplay video on http://www.youtube.com/watch?v=cEi9T_nE7h4