1. Portal 2
  2. Lunacy
  3. Guide by King Vicks II

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Portal 2

Portal 2

Steam Deck Verified
907
51
4.62*
Game action
Portal 2
Lunacy

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Lunacy0
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.
King Vicks IIKing Vicks II48,586
23 Apr 2013 18 Nov 2018
2 0 0
Story related and cannot be missed. This unlocks after successfully completing the main story