Portal 2's dedicated community creates maps & mods thanks to Valve's modding support. Popular user-generated content includes ...

While Portal 2's single player offered a hardy challenge, the real mind benders are found in the co-op campaign. The possibilities are much bigger withfour portals, and it can befrustrating whentwo ...

Portal Reloaded co-op is here, as the astounding Portal 2 mod that introduces a time travel portal to the Valve puzzle game gets an update years down the line. While Portal 3 feels as far off as a ...

Dom O'Leary is a contirbutor on Game Rant. He has over 6 years of experience in writing, covering everything from games news and reviews to commercial writing and editing. He's been a lover of games ...

For these test chambers, there is going to be a ton of flying through the air.In this first room, one player will go up to the highest platform while the other creates a portal below and up on the ...