Block Flip is a very fun game, the specific play is:
When you click on one of the blocks, it changes colors together with the adjacent graphics. And your goal is to have a limited number of clicks, so that all the graphics are changed to white.
Each level will be prompted for a minimum number of steps, and there will be additional opportunities for action when you run out. By limiting the number of steps to be completed will be three stars evaluation, the use of additional opportunities will be reduced accordingly.