Most hours on gmod??

Around 7,104 hours. Most of which was spent on Sandbox.

7483 Hours on record, im admin in all the servers i play, Sooo i have work to do xd

I have 2400 game hours and it's a very fun game, you can do anything you want

I've got over 9000 hours lmao i'm proud of myself./.

I have 15000 hours, I love this game, I play every day since 2017

I have around 1800 hours. i need more games lol. But gmod is probabky my favorite game at the moment

i have 1500 hours in garrys mod and i play in garrys mod 2 year

Jeez man, Im only at 3k hours. Thats dedication right there.

wow thats crazy i only have 5k and felt like i was playing too much but hey its a fun game if it brings you entertainment and joy hell yeah man