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

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

XCOM: Enemy Unknown is an action strategy game developed by Firaxis Games. Play as the commander to a special paramilitary unit called XCOM. Your job is to protect earth from global alien invasion. Manage resources, advance technologies, and plan out individual units as well as global scale strategies to fend off the invading foe! Engage in over 70 unique missions, interact and negotiate with world governments, research alien devices and customize your own instruments of death! Build a base, develop it, grow your own units and participate in turn-based close combat!

XCOM: Enemy Unknown is a turn-based tactical video game, developed by Firaxis Games and published by 2K Games. The game is a "reimagined" remake of the 1994 cult classic strategy game UFO: Enemy Unknown (also known as X-COM: UFO Defense) and a reboot ...   more on Wikipedia

The age of silent, stealthy, deadly ninjas is not over! Become one of them in Mark of the Ninja, a Klei Entertainment action adventure. An immersing story coupled with awe-inspiring animation and scenery is sure to have you loose track of time and sense of reality while you’re playing the game! You have a choice of becoming a silent assassin or an invisible ghost as you make your way through the story, gathering the perfect toolset for your style of play.

Mark of the Ninja is a side-scrolling action stealth video game developed by Klei Entertainment and published by Microsoft Studios. It was announced on February 28, 2012 and later released for the Xbox 360 via Xbox Live Arcade on September 7, 2012. A ...   more on Wikipedia

Empire: Total War is a massive strategy game that drops you into the 18th century and puts you at the wheel of an empire. You will have to dominate your opponents both in the seas and on land, all to make sure that your empire is the one to come out on top in this tumultuous time referred to as the Age of Enlightenment.

Empire: Total War is a turn-based strategy and real-time tactics computer game developed by The Creative Assembly and published by Sega. The fifth installment in the Total War series, the game was released in North America on 3 March 2009, and in the ...   more on Wikipedia

Anomaly: Warzone Earth Steam Key GLOBAL is a game released on 2011-04-08. Published by 11 bit studios.

Anomaly: Warzone Earth is a real-time strategy reversed tower defense video game by 11 bit studios. The game was initially announced in late 2010, and released on April 8, 2011 for Windows and Mac OS X. ...   more on Wikipedia