Do NOT shoot aliens

You are a mad scientist who accidentally found out that aliens are going to take over the earth. In order to stop the alien invasion, you need to find and capture as many check points as possible. The aliens will not touch you until you hit them.
Don't make the aliens angry - as soon as they turn red, they start running after you.

Task:
- do not make the aliens angry - as soon as they turn red - they start running after you
- find and visit as many checkpoints as possible - follow the pointer on the screen

Character control:
- tap the screen and control the character

Shooting:
- the character shoots automatically

Recharge:
- automatically at checkpoints
- automatically after the end of cartridges