DLC
Portal 2: Peer Review
2011 · by Valve
Portal 2: Peer Review includes an additional course for Portal 2 co-op campaign, dubbed "Art Therapy"; as well as Challenge Mode for both single-player or multiplayer campaign, whe…
Genres
PuzzleAdventure
Themes
Comedy
Platforms
PlayStation 3Xbox 360
Ratings
0.0
Avg
Screenshots
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