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

Doom 3 Steam Key GLOBAL is a game released on 2004-08-03. Published by Bethesda Softworks.

Doom 3 (stylized as D00M3) is a science fiction survival horror first-person shooter video game developed by id Software and published by Activision. Doom 3 was first released for Microsoft Windows on August 3, 2004. The game was later adapted for Li ...   more on Wikipedia

Natural Selection 2 is a strategy shooter game developed by Unknown Worlds Entertainment. The war between humankind and aliens is an eternal one, immerse in one variation of it by playing Natural Selection 2! Shoot and strategize better than your enemy, play either as human militant, or as an alien predator and turn the tides of battle to ensure your kinds survival! Issue orders, place structures, collect resources and advance in your abilities with technological enhancements as a human soldier or spread infestation, lay new alien spawning hives and change your form by mutation as an alien creature. Enrol into a constantly changing environment. Ultimate Survival 2 is constantly being updated, and all the game codes are open source which makes the game constantly grow, evolve, and change to meet the public desires!

Natural Selection 2 (NS2) is a multi-player, team oriented video game which combines first-person shooter and real-time strategy rules. It is set in a science fiction universe in which a human team fights an alien team for control of resources and te ...   more on Wikipedia