'''Chell''' wakes up as a test subject within the abandoned complex, must discover what is going on whilst being subjected to a series of increasingly deadly test chambers. However the advanced portal gun technology allows her to innovatively defeat both the tests and the AI in the end. | '''Chell''' wakes up as a test subject within the abandoned complex, must discover what is going on whilst being subjected to a series of increasingly deadly test chambers. However the advanced portal gun technology allows her to innovatively defeat both the tests and the AI in the end. |