Gattsta

Gattsta

901
51
06 Oct 11
17h 56m
100%
Gattsta

Portal 2 Achievements

Full list of all 51 Portal 2 achievements. It takes around 20-25 hours to unlock all of the achievements in the base game on Windows.

The base game contains 50 achievements, and there is 1 DLC pack containing 1 achievements.

Filter
  • Professor Portal

    After completing co-op, complete Calibration Course online with a friend who hasn’t played before

    21 September 2023 - 1 guide
  • Still Alive

    Complete Course 4 with neither you nor your co-op partner dying

    11 September 2023 - Add a guide
Hide ads
    Update

    Steam Summer Camp

    31
    10
    1
    3.83
    4,510
    4,517 (100%)
    0-1h
    Steam Summer Camp
    • Talent Show

      Never lose a cube in Chamber 6 of the Mobility Gels co-op course

      07 September 2023 - 1 guide
    Hide ads