How to play Portal 2 COOP without Steam

############################# Video Source: www.youtube.com/watch?v=nN9odTjEKNo

This is a tutorial on how to play Portal 2 CO-OP!Full list of CO-OP maps(type "map" before each one):"mp_coop_start" (First map of chapter 1)"mp_coop_lobby_2...

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