Loading
About
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.
Where to buy
Prices for US · Updated 8/14/2026
News
Valve Updates Portal 2 With Free Multiplatform DLC - Game Developer
Game Developer · 11/18/2021
Portal 2, Skyrim Win Big At Spike TV VGA 2011 Awards - gamedeveloper.com
gamedeveloper.com · 9/3/2021
Portal 2 - gamespot.com
gamespot.com · 4/8/2020
We Play: Portal 2 Peer Review DLC - GameSpot
GameSpot · 3/31/2014
Portal 2 “Peer Review” PC Review - eTeknix
eTeknix · 11/9/2012
Page 1 of 4
Videos
Screenshots
More in this Series
Discussion
No discussions yet. Start the conversation!