To pass, you have to control the little girl removed a certain number of tiles.
When you pass the time, there will be a riddle. You can see the answer to this riddle at the end of the next level.
In the beginning of the game, you have 2 seconds of invincibility time.
When you want to adjust the game perspective by draging the SLIDER, you’d better pause the game. Arrows to control;
Use the spacebar to switch the static mode and dynamic mode;
Use the P key to switch the game to pause and run.