Steam Most Game Hours on Steam?

My game with the most amount of hours is Arma 3, I have 751 hours

Company of heroes 2 and gmod for sure. I have like 2+ k hourds in CoH2. Quite sad that the game was fucked up by developers

STILL Team Fortress 2 with 1.2k hours after not having played it for about 2 years.

Garrys mod is 2,136.1 hours then next is prison architect at 111 hours followed by star wars empire at war gold pack with 55 hours

2500 hours in CS:GO. But I stopped now. finally got a life

pulling 5k hours on gmod 1k on arma 3 and a bunch of 600+

Arma 3 4500 hours and counting

Garry's Mod over 5000 hours

Wellllll the most I have played a game ever is about 3 years if you added it all together but the most played game on steam is garrys mod with 118 hours XD

Gmod with 742 hours.