This content requires the base game XCOM: Enemy Unknown on Steam in order to play.

All Reviews:
Very Positive (1,416) - 90% of the 1,416 user reviews for this game are positive.
Release Date:
Nov 11, 2013

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Downloadable Content

This content requires the base game XCOM: Enemy Unknown on Steam in order to play.

Packages that include this game

Buy XCOM: Enemy Unknown Complete Pack

Includes 4 items: XCOM: Enemy Unknown, XCOM: Enemy Within, XCOM: Enemy Unknown - Elite Soldier Pack, XCOM: Enemy Unknown - Slingshot Pack

SPECIAL PROMOTION! Offer ends June 6

Buy XCOM: Enemy Within

SPECIAL PROMOTION! Offer ends June 6



“The best tactics game of the decade gets better”
9.5 out of 10 – EGM

“Complex strategy and clever enemy AI provide a highly rewarding experience”
9.25 out of 10 – Game Informer

“Enemy Within is an amazing expansion to a brilliant tactical game.””
9 out of 10 – IGN

About This Content

XCOM: Enemy Within is the expansion to the 2012 Game of the Year award-winning strategy game XCOM: Enemy Unknown. Enemy Within adds an incredible array of new abilities, upgrades and weapons to combat new enemy and alien threats. This expansion also introduces new maps and missions, new tactical and strategic gameplay, and new multiplayer content providing a fresh new gameplay experience.

Key Features

  • 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.

System Requirements

SteamOS + Linux
    • 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
    • Storage: 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
    • Storage: 20 GB available space
    • Sound Card: DirectX compatible sound card
* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.
    • OS: Ubuntu 14.04 (64 bit)
    • Processor: 2 GHz
    • Memory: 4 GB RAM
    • Graphics: Nvidia 600 series+, AMD 6000 series+, Intel Iris Pro
    • Storage: 16 GB available space
    • OS: Ubuntu 14.04 (64 bit)
    • Processor: 3 GHz
    • Memory: 8 GB RAM
    • Graphics: Nvidia 700 series+, AMD 6000 series+
    • Storage: 16 GB available space

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