XCOM: Enemy Within achievements

XCOM: Enemy Within

4.7 from 630 votes

There are a maximum of 30 XCOM: Enemy Within achievements worth 1,654 (1,000)

6,545 tracked gamers have this game, 662 have completed it (10.11%)

Achievement Details

They Shall Not Pass in XCOM: Enemy Within

They Shall Not Pass26 (20)

Eliminate all alien waves

  • Unlocked by 4,008 tracked gamers (61% - TA Ratio = 1.27) 6,545  

Achievement Guide for They Shall Not Pass

644,618 (300,735)
Achievement won on 17 Nov 13
TA Score for this game: 1,353
Posted on 17 November 13 at 04:09
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Non-spoiler version: This will be shortly after the mission "Assault the Alien Base," which comes as story progression. There will be an unskippable battle later; complete this mission to earn this achievement.

Spoiler version:
*** Spoiler - click to reveal ***
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