You are working to get space colony MRP-6F up and running, when suddenly the space station is attacked by aliens. What are you going to do? Blast your way through alien drones as you travel from terminal to terminal, activating switches and tweaking the software that is needed to activate the perimeter defenses. If the going gets tough, trap the aliens behind doors. Can you survive long enough to save the station and yourself? Play DEFCON 5 and find out.