Steam Most Game Hours on Steam?

I have played Arma III over 1000 hours and it is still good.
On the second position is CS:GO with over 500 hours.

1600 on Garry's mod aha

I have no fucking life.

Dota 2 for 1130 hours

1583 hours on dota 2

not such a big gamer, like Counter-Strike 190 and Assassin's Creed Brotherhood 130

1.2kh on gmod
1.2kh on warframe...
I don't know how I did it hehe

339 hours on garry's mod.

I feel like a moron. Garry's Mod is where all those crazy GIFs come from. Wow