Most hours spent on one game?

I have about 1000 hours in rocket league and 1500 in GTA

Minecraft, i spend like 10000 hours or more because i play minecraft from 7 years ago

In Call of duty Modern Warfare 3 on Wii ( yeeees you see Wii) i have more than 59 day :')

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MDERN WARFARE 3 more than 1400 hours
Minecraft 1000hours

Yeah something about 800 hours in rocket league <3

Definitely GMod with almost 6000 hours. Lots of fun, lots of growing, lots of experiences.

At Rust game i have spent around 3000 hours and im not proud of it xD

Terraria - over 5000 hours. I need to see a doctor, i think.

Played RS since I was like 8 so wouldn't be surprised at 5k+ hours. Also have around 3k on CSGO

Fallout 4 logged 783 hours and still play it. Lots o crafting lol

The game I have the most hours in is CSGO and I've got approximately 1.2k hours.