What was your first Steam Purchase?

Mount and Blade Warband :)

I guess Counter strike 1.5 or sooner.. not sure.

Modern Warfare 3, the great mistake.

Portal 2

Is not my first steam game, since the first steam game i bought was gifted (4 pack). My first purchase directly to steam store would be Counter Strike Complete.

Orange Box for 10 bucks

Audiosurf was the reason I got Steam. :)

The first game I bought directly through Steam was Fallout 3.

Counter Strike: Source, shortly after that I bought Orange Box

Deus Ex: Human Revolution, which sadly is now on my wall of shame (games I own but will probably never finish.)

Ys Origin

Oblivion Game of the Year Deluxe using a 50% off coupon I got during the 2011 Winter Sale

L.A. Noire.

26 May 2011, 6,99€ Purchase Team Fortress 2

-75% Portal 2

the first game I actually paid for was terraria. the first game I acquired on steam was portal, due to it being on sale for 0$ at some point years ago

Burnout Paradise TUB, just for multiplayer

Orange Box in 2006

The Counter-Strike 1 Anthology.

Audiosurf

Half life 2 8 years ago, technicly its not a steam purchase but it was my first game on steam

skyrim.

Left 4 dead 1 Exelent coop game !

tf2