First steam game?

My first steam game would usually be Half Life 2 for sure.

My first steam game was garry's mod and i got 2700 hours on it so ye

Orange box was my first purchase. I still have the original box for it even.

My first game on Steam was Garry's mod and Cs: go, as mcdonald's says "I love it all a lot".

if Counter Strike is counted as a steam game then it is

Was garrysmod; Like when you're young, garrysmod is fun, not just 1 gamemode and i got 890 hours on ... :(

I bought arma 3 and regretted it later on rip. Shouldve learned.

My first game in Steam. Is Team Fortrees 2. Because is free

My first steam game was postal 2 :3 now that was a hella fun game XD

Counter Strike 1.6 was my first steam game. It was the first time I had even heard of it. Back then it had no friends system, account info or anything!