Most hours spent on one game?

I have almost 1200 hours in the sims 4.

Garry's Mod has 72 hours of playtime. The reason why is when I purchased the game, I immediately got addicted to it because I love sandbox games (like BeamNG Drive).

More than I can count bbbbbbbbbbbbbbbbb

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More than I can count bbbbbbbbbbbbbbbbb

130 Hrs - WItcher 3
175 Hrs - AC Odyssey
18 Years Ragnarok Online

Got around 812 on Gmod, 1215 GTA V, 732 PAYDAY 2, 688 TF2

Dota 2, about 30k hours on all accounts and 24k on the main one.

I have played Solitaire since I was 5 years old, I'm 32 years old.

180 hours in Neverwinter Nigths

I thought my 862 on Total War: Three Kingdoms, but I guess those were rookie numbers.

about 500 hours in minecraft

left 4 dead 2. probably around 700 hours on it/. best game ever