Police and Robber Maze (catch the money before the crook)

You have to lead a police man (or a picture of yourself!) to the money in the maze. If you succeed, the maze will become more complex for the next level.
You can also compete with a crook and try to get to the money first. In the hardest game, there is a safe for which you need to find the key before you can get to the money.
There are 50 levels and any level has an unlimited amount of mazes.