XCOM: Enemy Within achievements

XCOM: Enemy Within

4.7 from 681 votes

There are a maximum of 30 XCOM: Enemy Within achievements worth 1,656 (1,000)

7,193 tracked gamers have this game, 728 have completed it (10.12%)

Achievement Details

They Shall Not Pass in XCOM: Enemy Within

They Shall Not Pass26 (20)

Eliminate all alien waves

  • Unlocked by 4,390 tracked gamers (61% - TA Ratio = 1.27) 7,193  

Achievement Guide for They Shall Not Pass

658,928 (304,490)
Achievement won on 17 Nov 13
TA Score for this game: 1,354
Posted on 17 November 13 at 04:09
This solution has 9 positive votes and 0 negative votes. Please log in to vote.
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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