The leak purportedly includes files that date between 2003 and 2013.

Portal 2 beta levels have always been a tightly-held secret on Valve's part, with the Steam developer having kept a secure lock on development assets from their beloved puzzle game series. A previous ...

Both entries in the Portal series have some deep roots in indie games, and one of the primary inspirations for Portal 2 is now available on Steam. The sequel's gel mechanics originate in a student ...

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 ...