Cooperative Testing Initiative/Credits

... is a ... during Cooperative Testing Initiative in Portal 2. Most players get there from the, Course 5: Mobility Gels. Players can't get here normally...humans that GLaDOS later uses as extra test subjects.}}

Prefix is mp_coop_credits.

Gallery
{{Spoiler|block=yes|

Thank you
}}

Closed Captions

 * Party Whistle

GLaDOS's voice lines