Thank you!
My first steam games was the Orange Box.

Portal

Borderlands. :-)

Thanks a lot

TWD: Michonne.Thanks for the giveaway

Thank you. My first game on Steam was Civ5.

Castle Crashers :D

My first (and the reason I finally got Steam when all my friends already had it) was Audiosurf (the first one) :)

Metro I think.

Thanks :)

Thank you!

A.I.M. 2-Clan Wars

First Steam game was one copy of L4D2:)
Thank you for the giveaway!

Thanks a lot!!!

Civ 5

Tnank you

Thanks, My first game was counterstrike 1.6 ;)

AA:America's Army was my first if I recall right.

I Know I'm late to the part but...

Unturned, first paid one was csgo.