The Mars exploration base was captured by aliens who are quickly well entrenched so knocking them out will not be easy. But the base on Mars is very necessary for the colonization of the planet. The ship that brought you to Mars was shot down and weapons with ammunition were scattered around the base. You need don't just take the weapons of all to kill, but gently, killing one enemy after another to free the base.

Control keys:
A, D, W, S - character management
K - gun illumination