Portal 2 artworkFIND 42

Portal 2

Explain the impossible to a friend.

Why it belongs here.

Portal-based spatial puzzles make cause and effect visible in surprising ways. Alongside the solo campaign, a separate cooperative campaign gives two players a shared problem space.

A good route for a pair who enjoys describing an idea, testing it and laughing when the geometry disagrees. Clarity is a more useful skill than speed.

Before you step in

The cooperative campaign is distinct from the single-player story.