XCOM: Enemy Unknown achievements

XCOM: Enemy Unknown

4.3 from 3030 votes

There are a maximum of 55 XCOM: Enemy Unknown achievements (50 without DLC) worth 3,859 (1,100)

55,345 tracked gamers have this game, 652 have completed it (1.18%)

Achievement Details

Secret Achievement in XCOM: Enemy Unknown

Secret Achievement40 (25)

Continue playing to unlock this achievement. (Secret)

  • Unlocked by 21,351 tracked gamers (39% - TA Ratio = 1.61) 55,417  

Achievement Guide for Off My Planet

Lewd Llama 69
487,616 (271,257)
Lewd Llama 69
Achievement won on 11 Oct 12
TA Score for this game: 1,377
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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