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Portal 2: Peer Review
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DEV: Valve
October 4, 2011
PuzzleAdventurePS 3Xbox 360
Mission Briefing
Story setup, genre fit, and buying context for players deciding whether to buy, rate, or save Portal 2: Peer Review for later.
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, where players can play specific levels and compete in friends/worldwide leader-board.
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