Wow, what kind of guesses are these? :)) A big player, huh? ))) A big player is Sir Catch, you should be ashamed, Tsar, not to know your own Portal boss in person ;-)
In the first photo, from left to right: Dirty, Valenok, Me, Catch.
In the 2nd and 3rd photos, we're playing Hot Seat; think logically about what the "guy" is doing, and who played with whom, I wrote about it above.
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