
Series Saga
Portal is Valve's first-person puzzle series, built around a gun that opens linked doorways in walls. It began in 2007 and the sequel in 2011 added co-op and a larger story.
One series. Every step.
In release order. Select a game below.

01 of 02
Portal™ is a new single player game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay.
Worth getting lost in
Select a screenshot to step inside.
Entries

Portal™ is a new single player game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay.

The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!