1. Portal
  2. Fratricide
  3. Guide by Nomstuff

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Portal

Portal

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Portal
Fratricide

Do whatever it takes to survive.

Fratricide0
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.
NomstuffNomstuff67,684
Locked 11 Sep 2016
5 0 0
You get this for dropping the companion cube into the incinerator in chapter 5.
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