Valve

Portal: Still Alive

Portal: Still Alive is a retooled version of the original smash hit first-person puzzle game, with additional levels and challenges. As unwilling test subjects in a sinister laboratory, players must break the laws of physics using 'portal' technology to solve puzzles and survive. Featuring a darkly comic story that weaves adventure with brain-bending puzzles; 'Portal: Still Alive' also introduces 14 brand new bonus puzzles to challenge even the most skilled test subjects. Players can also get a glimpse into the making of 'Portal: Still Alive' with commentary from the developers.

Released: 22 October 2008
Developer: Valve
Publisher: Valve
Perspective: First person
Age rating: PEGI 12 · ESRB T
Platforms: Xbox 360
Genres: Platform · Puzzle · Adventure