XCOM: Enemy Within achievements

XCOM: Enemy Within

4.7 from 668 votes

There are a maximum of 30 XCOM: Enemy Within achievements worth 1,655 (1,000)

7,043 tracked gamers have this game, 718 have completed it (10.19%)

Achievement Details

Mutatis Mutandis in XCOM: Enemy Within

Mutatis Mutandis37 (20)

This is a rare achievementField a squad where all members have at least two modifications (min. 4) and win the mission

  • Unlocked by 2,046 tracked gamers (29% - TA Ratio = 1.85) 7,043  

Achievement Guide for Mutatis Mutandis

657,949 (304,205)
Achievement won on 17 Nov 13
TA Score for this game: 1,355
Posted on 17 November 13 at 15:26, Edited on 24 November 13 at 14:04
This solution has 8 positive votes and 0 negative votes. Please log in to vote.
The best, earliest time to do this is, to avoid spoilers, after you get this story achievement:

XCOM: Enemy WithinThey Shall Not PassThe They Shall Not Pass achievement in XCOM: Enemy Within worth 26 pointsEliminate all alien waves

The cheapest way to do this is 15 MELD and $50 per squad member. Any Eye upgrade (both are 5/$15) and the Brain upgrade Neural Feedback (obtained via Sectoid Commander Autopsy, 10/$35) At minimum, that makes it 60/$200, at most 90/$300.

After that, the best option is a standard abduction or UFO mission. Complete the mission and this will unlock. If you haven't gotten it already, this will also unlock:

XCOM: Enemy WithinThe Meld SquadThe The Meld Squad achievement in XCOM: Enemy Within worth 30 pointsField a fully enhanced squad and win the mission

Thanks to talkstogod, if you do a covert EXALT recovery and everyone but the covert agent has two mods, it won't count.
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