You've landed in a space station only to discover it is overrun by alien life. You must complete the missions in each floor in order to advance to the next. Make good use of you ammo and don't run out of health!
GUIDES
FAQ
Stuck and need some help? Check out some of the questions the community have asked relating to this game. If none of these answer your problem or you want to get some tips when it comes to a particular level, feel free to submit a question of your own.