Most hours spent on one game?

definitely runescape, way too many hours on that game

Fallout 4 must be over 150 hours on that without expansions

i probably spent years on halo anniversary (reach) online tbh

you all need to seek some help lmao

Halo Custom Edition, i played that so much that i almost didnt pass in my exams in high school days.

Terraria with 532.8 hours on steam, it never gets old, i love it

Counter Strike global offensiv 6062

I spent 23hours on MGS 3 years ago

Tf2 will always be my most played, I spent way too much time in that

On steam not so much, like 300, but for sure spent more time in LoL