Physics-based puzzle game created using the Source engine.
Latest Portal Articles
News: First Portal has sold nearly 4 million copies
What will the sequel achieve?
News: Portal 2 will have two end credit sequences
And two special surprises.
News: Valve announces E3 surprise
Portal 2 E3 event replaced by something more secretive.
News: Portal 2 revealed
A full-fledged, standalone sequel.
Article: Top 10 Video Game Companions
The characters who join you in various epic adventures.
News: Portal designer leaves Valve
Joins Dark Void developer Airtight Games.
Related Topics
11 overlooked PC bargains in the Steam Summer Sale in Article Comments
I already have Ben There, Dan That - but seeing as I should own it twice I might buy it and Time Gentlemen, Please. 74p is a bargain! Think I should probably grab VVVVVV too...
Portal is free on Steam in Article Comments
Downloading this to my mac as I speak, its going to run better on my mac so it's alllll gooooood 
