XCOM: Enemy Within Achievements

Full list of all 30 XCOM: Enemy Within achievements worth 1,000 gamerscore. It takes around 30-35 hours to unlock all of the achievements on Xbox 360.

  • Enemy Within

    Get a Soldier to have 5 modifications in single player

    1 guide
  • Steel Martyr

    Deploy three tactical subsystems on a single soldier in single player

    1 guide
  • Apotheosis Denied

    Deal with the newest global threat

    1 guide
  • They Shall Not Pass

    Eliminate all alien waves

    1 guide
  • Zom-B-Gone

    Eradicate the infestation

    3 guides
  • An Army Of Four

    Beat the game without buying a Squad Size upgrade (Classic+ difficulty)

    1 guide
  • The Meld Squad

    Field a fully enhanced squad and win the mission

    1 guide
  • Shieldbuster

    Eliminate an enemy's shield and kill it on the same turn in single player

    1 guide