Portal

Waking up in a seemingly empty laboratory, the player is made to complete various physics-based puzzle challenges through numerous test chambers in order to test out the new Aperture Science Handheld Portal Device, without an explanation as to how, why or by whom.

Developers

Valve

Publishers

Valve, Electronic Arts

Released

October 10, 2007

Platforms

PlayStation 3 · Linux · Android · PC (Microsoft Windows) · Mac · Xbox 360 · Nintendo Switch