When billionaire bro Cave Johnson turned his vision away from the exciting world of shower curtains to tossing money at a bunch of science stuff, what if paint guns instead of portals were the result?

A new Portal 2 campaign, licensed but not made by Valve, hit Steam today. Aperture Tag removes the iconic portal gun, replacing it with a new puzzle-solving weapon that fires out globs of gel. It's ...

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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Without his gravity gun, Gordon Freeman is just another geek. Without his grappling hook, Rico ...