System Shock 2

The year is 2114 and you are a lone soldier stranded on a starship plagued by a horrifying genetic outbreak. To survive, you must put an end to the outbreak by fighting your way through hordes of inhuman enemies. In a game designed to scare and shock, use every ounce of courage as you take on horrific enemies on your way to survival. 

Combining FPS and RPG elements, upgrade your soldier with new weapons and abilities as you delve deeper into the terrifying spaceship to put an end to the genetic outbreak.