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 favorites ...

Valve recommends you sit down for this announcement, though you might also want to jump into the air and yell in excitement. If you really like playing Portal 2 co-op, that is (and who doesn't?). The ...

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 ...