1. Portal 2
  2. Door Prize
  3. Guide by Shenron

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Portal 2

Portal 2

Steam Deck Verified
907
51
4.62*
Game action
Portal 2
Door Prize

Examine all the vitrified test chamber doors

Door Prize0
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.Collectable - These achievements are obtained by exploring the game environment to find a set of unique objects.
ShenronShenron129,437
18 Aug 2015 22 Feb 2022 22 Feb 2022