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 ...

A fan mod prequel to Valve’s Portal 2, Portal: Revolution, has released a trailer, and it teases the kinds of puzzles fans might expect. You can watch the trailer, which was posted on YouTube, below.

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 ...