Realms of the Haunting is a point-and-click first-person shooter developed by Gremlin Interactive way back in 1996! The forces of darkness broke out! They were kept safely behind Seven Seals throughout history, yet now, for the first time ever, the safety of the planet is at risk! Defeat monsters in an array of universes that span from modern times to medieval worlds and bring safety back to the world!

Realms of the Haunting is a first-person adventure/shooter game developed by Gremlin Interactive. The 3D engine used in this game was borrowed from Gremlin's own Normality. ...   more on Wikipedia

System Shock 2 Steam Key GLOBAL is a game released on 2000-08-11. Published by Nightdive Studios.

System Shock 2 is a first-person shooter action role-playing survival horror video game for Microsoft Windows, Apple OS X and Linux. The title was designed by Ken Levine and co-developed by Irrational Games and Looking Glass Studios. Originally inten ...   more on Wikipedia

Metro: Last Light is a Survival-Horror FPS set in a post-apocalyptic city of Moscow, Russia. Every survivor is being hunted down by powerful mutants that have adapted to hunting both on ground, above it, and under it. You are the last hope for survival of human kind, can you pull it off, or is humanity as we know it going to end?

Metro: Last Light is a single-player post-apocalyptic-themed first-person shooter video game with stealth and survival horror elements, developed by Ukrainian studio 4A Games and published by Deep Silver for Microsoft Windows, OS X, Linux, PlayStatio ...   more on Wikipedia