A Game becomes Reality

The day after a Nimja Live, Nimja wakes up and finds himself in a totally different environment.
There he hears the voice of GLaDOS the artificial intelligence from his favorite video game Portal, who leads him to the test track of Aperture Science.
Will he manage to pass the test chambers?

Disclaimer:
This is a fanfiction about the Dutch hypnotist YouTuber Nimja Hypnosis. It was written with Nimja's permission.
I do not own Portal.
Also English is not my mother tongue but a friend of mine checked for mistakes.