System Shock 2 is an Action, Sci-fi and Survival Horror game for PC published by Night Dive Studios in 1999. It has patched by 2015 update!
System Shock PC Game 1999 Overview:
After sixteen years, The developers have made great improvements on this game. If you have experienced this masterpiece some years ago, You have to get this version too.
(v2.48 Update added)