Crazy Fill is a logical board game. Your goal is to convert all of the red balls to green balls.
The game consists of a 5 by 5 grid of balls. When the game starts, some of the balls are red and rest of the balls are green. Pressing any of the balls will toggle it and also the four adjacent balls. The goal of the puzzle is to convert all of the Red balls to Green balls. Preferably in as few button presses as possible.
At any stage if you feel difficult to solve the Puzzle, just press Hint button. It will solve the puzzle. If you use the hint in any level, then you will not get rating in that particular Level.