XCOM: Enemy Unknown achievements

XCOM: Enemy Unknown

4.3 from 3288 votes

There are 55 XCOM: Enemy Unknown achievements (50 without DLC) worth 3,891 (1,100)

60,328 tracked gamers have this game, 701 have completed it (1.16%)

Achievement Details

Secret Achievement in XCOM: Enemy Unknown

Secret Achievement51 (10)

Continue playing to unlock this achievement. (Secret)

  • Unlocked by 2,357 tracked gamers (4% - TA Ratio = 5.06) 60,556  

Achievement Guide for Secret Achievement

71,986 (50,680)
Achievement won on 15 Oct 12
TA Score for this game: 1,460
Posted on 15 October 12 at 21:25
This solution has 26 positive votes and 0 negative votes. Please log in to vote.
Poison Control: Cure poison on 5 soldiers in a single mission. Single player only.

Despite the fact that the achievement makes it sound like it has to be 5 different soldiers, it in fact can be the same soldier. You need medikits to cure poison, and due to the medikit making the holder immune to poison you have to either have 5 soldiers with medikits and just have 1 soldier get poisoned over and over, or have a support class with the sergeant 3 medikits ability (or two supports to make it even easier).

The easiest way to get poisoned is via thinmen, and on the escort missions as it seems they are the only alien that spawns for those missions even very late in the game. In my opinion its much easier to just kill a thinman and run through the poison, cure it, and then use the second action to run through it again. The poison cloud from their death only lasts 1 turn so you have to be quick.

Good luck!
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