Portal 2: Peer Review (2011)

Developer: Valve
Platforms: PlayStation 3, Xbox 360
Genres: Puzzle, Adventure
Main story: about 9.1 hours
Completionist: about 28 hours

The 3D catalog: game boxes on wooden shelves, with the cat sitting at the counter next to its greeting.

The catalog in 3D

The same catalog has a room you can walk around in. The cat behind the counter is the AI Catbot, and they pick real games from it when you tell them what you feel like playing. Nothing is for sale, here or in there. Go in from here and this game is already out on the counter, with more like it waiting on the shelf next to it.

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How it feels

A witty cooperative puzzle-solving extension that leans into the series' dry comedic charm.

clevercomediccooperativepuzzle-drivenlighthearted

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.

Screenshots

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More by Valve

This page is from Underplayed Gems, a catalog of older and overlooked games. Not quite it? You can browse by platform and genre, or take this one into the 3D catalog and ask the Catbot for something closer.