XCOM: Enemy Within achievements
1,700
(1,000)

XCOM: Enemy Within

4.6 from 739 votes

There are a maximum of 30 XCOM: Enemy Within achievements worth 1,700 (1,000)

8,309 tracked gamers have this game, 791 have completed it (9.52%)

Achievement Details

They Shall Not Pass in XCOM: Enemy Within

They Shall Not Pass26 (20)

Eliminate all alien waves

  • Unlocked by 4,870 tracked gamers (59% - TA Ratio = 1.30) 8,309  

Achievement Guide for They Shall Not Pass

AuthorSolution
Geoffistopheles
716,669 (326,430)
Geoffistopheles
Achievement won on 17 Nov 13
TA Score for this game: 1,389
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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