Today, Portal 2 turns 15. Unlike most of us at that age, though, Valve's revered 2011 puzzler is completely confident in its ...

Portal 2 Community Edition is out now, designed as the best way to play and create custom content for Valve's beloved 2011 ...

Improvements to map editing, a new lighting engine, volumetric fog, and other improvements await.

It's been fifteen years since Portal 2 launched and the puzzle game remains one of the most technically impressive games ever ...

Portal 2 developers suffered from a pretty brutal period of crunch toward the end of Valve's production cycle, party because they loved working on the hit game.

Portal, as you probably know, is perfect. One facet of that perfection is the meta-satire that writers Erik Wolpaw and Chet Faliszek wrapped around designer Kim Swift’s lab-grade physics puzzles. They ...