Both portal games can be rediscovered again and again, even if you have played them countless times. portal 2The Cooperative Testing Initiative campaign is no different. It’s a fantastic series of puzzles along five official test courses, each with its own set of test chambers that doesn’t lose anything from the main line portal charms of riddles. Instead, the sequel’s co-op campaign deftly weaves together the two-player game mechanics in increasingly complex ways. Each course focuses on a specific test mechanic, all of which can be seen in portal 2but reimagined with co-op play in mind.
portal is also an excellent choice because it is so accessible. It doesn’t take too long to master the movement and physics, so even if your partner (or you!) isn’t a ‘gamer’, you can still have loads of fun with this pickup.
You can also play cooperatively locally or online. It’s available on PC and Nintendo Switch (and PlayStation 3 and Xbox 360 if they’re still connected).