Despite the lack of Portal 3, this much-loved puzzler lives on and now, after five years in development, you can play it in ...

How to Solve Enrichment Sphere 3 in Portal 2 When first starting Enrichment Sphere 3, you’ll enter a room with falling blue repulsion gel, a button halfway up the wall, and falling water.

Portal 2 introduces the player to red propulsion gel and immediately tests their puzzle solving chops with it in Enrichment Sphere 4.

It’s unlikely we’ll see Portal 3 from Valve anytime soon, but thanks to a new fan project, you can now experience the next ...

Portal 2's dedicated community creates maps & mods thanks to Valve's modding support. Popular user-generated content includes single-player and co-op maps for varying challenges. Community ...