It's no secret that when Valve initially conceived of Portal 2 it didn't have portals. Or at least it didn't have a portal gun. Now, Valve superfans have created their own modded campaign that follows ...

Portal 2: Desolation tells the story of a cybernetically enhanced Aperture Science test subject, Diana Mendez, where she has a number of robotic upgrades and even her own built-in portal gun. The last ...

Time marches ever onward, and soon we will all be dust. Portal 2 turned ten this week, and one modder celebrated by releasing Portal Reloaded, a fan-sequel to the puzzle game that brings in elements ...

It has been a long time since we've seen Valve release any official Portal content into the world, so a fan of the game has decided to recreate the popular title in another Valve classic, CS:GO, ...

There's a new mod for Portal 2 called Aperture Tag: The Paint Gun Testing Initiative, which replaces the game's traditional spacetime-bending portal guns with a different device entirely, one that ...

Besides having a really amazing single-player story, the co-op mode in Portal 2 is what keeps you going back. It can be all about killing your partner in the most treacherous ways, or finding the ...