
You go to put a portal behind a camera she reacts as if she knew, as if she was "watching you". Her voice occasionally glitches out, assuring you once again you are alone in this cold, florescent lit world. Welcomes you to the computer aided enrichment center", so of course you are not being guided by a person.right? Throughout the test chambers

At the beginning of the game you would think she was just a voice recording, of course you are assured of this i mean, "She Unlike portal 2, where you knew glados was an ai from the beginning, in portal 1, she was a complete mystery up until the very end. not only did it blend seamlessly with the puzzles, but it gave you subtle hints into what kind of world you are trapped in.

One thing portal had over portal 2 was the environment.
