XCOM: Enemy Within (STEAM) Activation details

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XCOM: Enemy Within (STEAM)

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XCOM: Enemy Within is the much anticipated expansion to the 2012 Game of the Year award-winning strategy game XCOM: Enemy Unknown a true to life revamping of the original with lots of love shown to the original. Enemy Within includes an incredible arsenal of new meld abilities, upgrades and weapons to combat new enemy’s and alien threats more dangerous and well armed than ever.

This expansion introduces new maps and new missions, new tactical and strategic gameplay methods, and new uniquely addicting multiplayer content providing a fresh new gameplay experience. This is a greatly appreciated expansion to an already stellar game and is a great improvement.

  • New Soldier Abilities: Construct the Genetics Lab to physically enhance your operatives’ abilities including augmentations to the chest, brain, eyes, skin, and legs or build the Cybernetics Lab to enable the construction of the new Mechanized Exoskeletal Cybersuit, or MEC. The new MEC Trooper class has specialized abilities and each suit can be upgraded with new weapons including the flamethrower and grenade launcher.

  • New Weapons and Equipment: Give your operatives an extra tactical edge with new projects from your engineering team and the Foundry.

  • New Enemy Threats: Adopt new tactics to counter the threats from two new alien types and a deadly new organization known as EXALT.

  • New Strategic Resource: A valuable new alien resource, known as Meld, has been discovered. Secure it on the battlefield and use it carefully back at base to unlock new research and upgrades.

  • New Tactical Challenges and Maps: Cloak-and-dagger and intelligence operations provide new tactical challenges on over 40 new battlefields.

  • New Multiplayer maps, units, and abilities: Create your custom squad from a wider array of options and dominate your opponent in intense, one-on-one, turn-based matches.

XCOM: Enemy Within is a fantastic expansion to Enemy Unknown. With new meld abilities, new weapons, maps, and even new enemies, it brings added difficulty and more replayability than ever in this immerse thought provoking alien invasion war game.



System Requirements



  • OS: Windows Vista or later
  • Processor: 2 GHz Dual Core (Core 2 Duo 2.4 GHz or Athlon X2 2.7 GHz) CPU
  • Memory: 2 GB RAM
  • Graphics: 256 MB Video Memory NVIDIA GeForce 8600 GT / ATI Radeon HD 2600 XT or greater
  • Hard Drive: 20 GB available space
  • Sound Card: DirectX compatible sound card


  • OS: Windows 7
  • Processor: 2.4 GHz Quad Core CPU
  • Memory: 4 GB RAM
  • Graphics: 512MB Video Memory ATI Radeon HD 3000 Series/NVIDIA GeForce 9000 Series or greater
  • Hard Drive: 20 GB available space
  • Sound Card: DirectX compatible sound card

5 Most useful customer reviews See all

Best turn based strategy game I have played in years.


Simple et rapide :)


Way more content than usual "DLC"s these days. Adds a variety of weapons/technologies without breaking gameplay and challenge. Be aware: the DLC on Impossible/Ironman is MUCH more challenging than original one.

I watched TorNis on twitch.tv/tornis beat it on impossible/ironman, that's why I bought it :)


Great expansion for this game. It´s like a new game!!!


As always OnlineKeyStore delivers what it promises. I have used this site multiple times, and its a joy to see how fast they react. Even when I had a problem they solved it in a jiffy. That said I can also only recommend getting XCOM - Enemy within. I was skeptical of the game myself, but after just 10 minutes I was hooked. Keep in mind that it is a DLC and requires the base game though.

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