Defcon 5 (video game)

Defcon 5 is a single player adventure/first-person shooter video game developed by Millennium Interactive Ltd, a UK-based studio. It was released for IBM PC compatibles in 1995, and ported to Sony PlayStation, Sega Saturn and 3DO Interactive Multiplayer in 1996. The name refers to the condition used to designate normal peacetime military readiness under the DEFCON system, but which is commonly misused in popular fiction to indicate a state of emergency.
Storyline
As a "cyberneer" working for the fictional Tyron Corporation, the player is tasked with installing an automated defense software at the deep space mining installation named MRP-6F, a large compound located around the top of a crater in which mining operations take place. Its purpose is to defend the mining installation from hostile attack. For this purpose the installation houses six powerful defense turrets installed around the crater, as well as a myriad of support systems for power generation...