Edit: Round 2 - Post unlocked.
I was able to give the first group of people everything they requested. (Let me know if I accidentally skipped an email!) Except for Krat as specified below. (The copies are reserved for you :) Game counts updated. Second round allocated as I see fit.
As some of you may have seen, Steam had a sale on where you could buy "Gift Packs" of games to give to your friends. I missed the first day or two of the sales, but I bought a bunch of the packs during the rest of the sale so now I have extra copies to give to people. I know some of these games are pretty old, but what do you expect for free. ;) I've linked to their profile pages so you can see descriptions, screenshots, trailers, and system requirements.
Freedom Force (5 copies) (6 copies) (10 copies)
Just Cause 2 (0 copies) (1 copy) (7 copies)
NyxQuest: Kindred Spirits (0 copies) (2 copies) (9 copies)
Osmos (4 copies) (5 copies) (12 copies)
Portal (4 copies) (6 copies)
Trine (1 copy) (3 copies) (8 copies)
World of Goo (1 copy) (2 copies) (12 copies)
(Not acquired through Steam - only email address required)
Cogs (1 copy)
Eufloria (1 copy)
Machinarium (1 copy)
So you don't have to post your email in the comments, I recommend you
email me (subject: "Steam games") with the email (if different from the one you sent from) to send it to, and the games you want, in descending order of preference. (ie: most preferred first) It'll take a while to sort through the responses, but I'll try and send something to everyone. (unless everyone asks for the same single game. :P Then it'll end up in some sort of lottery)
(PS: If you see this shortly after I post it, there are 12 hours left in the last day of their sale)