This mod is alternate to Portal 2. GLaDOS is destroyed and spent about 100 years until Aperture old workers who had escaped from the Enrichment Center returned to the Aperture Laboratories after being cryogenically frozen for hundreds of years. They are hiding somewhere in Aperture Laboratories while they are controlling some personality cores that replaces them in the test chambers.
oh,the color is strange
I see what you did here :D
Yeah, it's to easy.
Once again, fix the lighting.
The shadows are black.