1. Portal 2 Achievements
  2. Dual Pit Experiment achievement
Portal 2

Portal 2

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Portal 2

Dual Pit Experiment achievement in Portal 2

Dual Pit Experiment

Do the same test twice

Dual Pit Experiment0
1 guideOffline Mode - These achievements require play in game modes that do not necessitate a connection to any online services.Single Player - These achievements can be obtained by a single player.Main Storyline - These achievements are gained automatically by progressing through the main game mode.
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How to unlock the Dual Pit Experiment achievement

  • YaziteYazite51,083
    09 Feb 2016 10 Feb 2016
    3 1 0
    Story related and cannot be missed.

    This is achieved at the very start of Chapter 8.

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