This is a very challenging game, not only can stimulate your brain, but also you can inspire your potential.
Normal mode - no time limit
Crazy mode - complete all levels within the specified time
How To Play:
Red square in a stationary state, click the black squares, can eliminate the black square has been touched.
Black square fell out on both sides of the screen, it will self-destruct.
Red square fell out on both sides of the screen, or is not the last one landing, immediately judge failed.
Timing, Geography, Lucky!