XCOM: Enemy Unknown achievements

XCOM: Enemy Unknown

4.4 from 2713 votes

There are a maximum of 55 XCOM: Enemy Unknown achievements (50 without DLC) worth 3,760 (1,100)

48,050 tracked gamers have this game, 598 have completed it (1.24%)

Achievement Details

Secret Achievement in XCOM: Enemy Unknown

Secret Achievement39 (25)

Continue playing to unlock this secret achievement. (Secret)

  • Unlocked by 19,289 tracked gamers (40% - TA Ratio = 1.57) 48,050  

Achievement Guide for Off My Planet

Lewd Llama 69
440,933 (244,052)
Lewd Llama 69
Achievement won on 11 Oct 12
TA Score for this game: 1,347
Posted on 11 October 12 at 17:47
This solution has 3 positive votes and 2 negative votes. Please log in to vote.
You need to successfully complete the first story mission you unlock after researching the outsider shard. You'll need to create a skeleton key before your able to attempt the mission. Once you kill everything in that mission, the achievement will pop.
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