User:KATANAGOD/Sandbox/Portal:Still Alive

Portal: Still Alive is an Xbox 360 Live Arcade exclusive edition of Portal released on October 22, 2008. It features the original game, with various new levels and 9 new achievements.

The additional content was modified from and based on the levels from the Portal: The Flash Version MapPack created by We Create Stuff and contains no additional story-related levels. There was a slight change in the campaign, which included avoiding being crushed whilst going through a series of engines.

Achievements
The game has 12 achievements worth 200 gamerscore.