Portal 2
Portal 2 is a first-person puzzle game developed by Valve Corporation and released on April 19, 2011 on Steam, PS3 and Xbox 360. It was published by Valve Corporation in digital form and by Electronic Arts in physical form. Its plot directly follows the first game's, taking place in the Half-Life...
- Developer: Valve Software
- Publisher: Electronic Arts, Valve
- Released: 2011-04-18
- Genres: Shooter, Puzzle