Most hours spent on one game?

being as i run rust servers thats my largest hours at 5988 hours

i have spend more then 2000+ hours on gmod and the numbers are still going up everyday!

More than 200 hours in Mass Effect. Yes, I think that's a lot.

Final Fantasy 10- 350 h (grinding to max everything with luck to One hit KO Penance)

all other FF 100 h +

Lunia Z online- 700 h

League of legends i guess had more than 10 accounts and well achieved over 1k game on 1 acc and 2 with the new leveling system got up to 151 and 89 after getting banned x) now im starting fresh

garry's mod, lol. I think I have near 6000 hours now

counterstryke playing in hellsgamers a lot when i was younger haha

Destiny 1, 1.5k+ hours. It was a pretty good game that actually kept me involved for around 4 years. Pretty amazing.

The most played game on my steam account is GMod and Sid Maier's Civilization V.