By changing the direction of the laser so that the beam hits and destroys all the targets, a checkpoint is completed. Note that obstacles are impenetrable.

How do you play?
· slide your finger to draw lines on the screen. The lines drawn have the function of mirror.
· Pay attention to the reflection direction of the line, and make the beam move towards the target.
· All target objects need to be destroyed.

characteristic:
There is no time limit.