1. XCOM: Enemy Unknown Achievements
  2. They Shall Not Pass achievement
XCOM: Enemy Unknown

XCOM: Enemy Unknown

1,736
85
4.42
Game action
XCOM: Enemy Unknown
digitalXLjunkie

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778
53
25 Aug 14
46h 17m
62%
digitalXLjunkie
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Enemy Within

623
300
30
4.83
5,923
376 (6%)
40-50h
Enemy Within

They Shall Not Pass achievement in XCOM: Enemy Unknown

They Shall Not Pass

Eliminate all alien waves

They Shall Not Pass0
15 September 2014Offline Mode - These achievements require play in game modes that do not necessitate a connection to any online services.Single Player - These achievements can be obtained by a single player.Missable - These achievements can be missed.
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