XCOM: Enemy Within

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Third party DRM: Steam

This game requires a free Steam account to play.

Customer notes

Requires XCOM: Enemy Unknown (base game) to use this DLC.


"Complex strategy and clever enemy AI provide a highly rewarding experience." - Gameinformer.com

"Enemy Within is an amazing expansion to a brilliant tactical game." - IGN.com

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.

  • 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.

  • 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 intellience 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.

Purchase Requires Agreement to a Third Party EULA XCOM: Enemy Within

Customer reviews


High risk/high reward mechanics

GuardianOfSouls | Oct. 23, 2015 | See all GuardianOfSouls's reviews »

The new abilities and units you can research and build are expensive but devastating if taken care of. These new units will make the older teams obsolete but you will have to be extra careful in keeping these soldiers alive as the new resources can be hard to come by. Once you get a few fully upgraded it is well worth the risk of investing so much into so few soldiers as they become extremely powerful. The new missions and new enemy human faction are a welcome edition with several fun easter eggs built into their gameplay if you look for them. Highly recommended for anyone that enjoyed the base Enemy Unknown, a good expansion that adds a lot more to the game.


a great DLC for a great game.

chakad | June 9, 2015 | See all chakad's reviews »

to be honest you dont have to own this dlc in order to enjoy xcom eu, i played many-many hours on the base game (not mentioning the mods that are available to it), but if you get this dlc you get a whole different experience from the game. * new game options * new weapons * new classes * new research it basically makes the game more interesting and with more options. if you liked the base game, you should give this a try, it a really dissent DLC (not like other games that release "skins" as dlc this one release dissent content)


well after i played XCOM eu i got this and i have to say

napstip1 | June 9, 2015 | See all napstip1's reviews »

it take the game even further. it adds alot of new options, weapons, enemy's,new classes, game mods, you name it! personally im not a fan of dlc in general but this dlc is like adding a whole new game into the base game (which is great as is) i have no regrets on getting this dlc at all.


Exceptional new content!

Witchcraft6 | June 8, 2015 | See all Witchcraft6's reviews »

Enemy within takes a great game and expands upon it with more great content. The ability to augment soldiers into mechanized heavy units and/or modify them genetically to be semi-super powered light units adds some very refreshing and compelling possibilities for enhanced game-play. The extra levels offered in the DLC pack were enjoyable, and the side quest of tracking down the traitorous human splinter group breathed some new intrigue into the plot. My only (and I do mean 'only') gripe about the DLC pack is the lack of a second, or alternate, ending. I had played through Enemy Unknown extensively, so upon completing Enemy Within, I was terribly disappointed to feel as though I had wasted my time once I had completed the new levels described above. However, if you have not played or have yet to finish Enemy Unknown, then scrap your save, buy Enemy Within, and restart your game. It's full of fantastic new content that adds a ton of value to the game.


I've been pulled in by XCOM... again

cptmold | June 6, 2015 | See all cptmold's reviews »

Flashing back to when Slingshot came out, my hopes were very low for any future DLC this game may have. Needless to say, I was... skeptical... about Enemy Within. Glad to know my suspicions were for nothing, and waiting to buy it was a terrible decision! Aside from several fixes that NEEDED to be addressed in Enemy Unknown (but they still have a free turn to run for cover when you spot them... *sigh*), this expansion truly brings out everything this game can offer. Two new enemy types can be found, the new side-objective (Meld) forces you to complete objectives quickly rather than through camping and waiting out the enemy, and your base is no longer invincible-- the constant fear you had in UFO Defense of a UFO sneaking past your scanners and raiding your base has returned, and you could lose everything through a single failure. Don't be scared away by the pricetag. This is leaps and bounds ahead of Enemy Unknown, and the definitive version of the already outstanding reboot. Despite being three years old, it can easily keep that $50 pricetag and still be worth every penny... but that doesn't mean the 75%-off sales aren't nice ;)