Heroes of Newerth - probably more than a 1000 hours.
Star Ocean The Last Hope - Easily over 100 hours on and off the last couple of years (still working on platinum)
Final Fantasy 7-9
Starcraft
Brood Wars
Warcraft 3 Frozen Throne (DotA)
Cross Edge
Final Fantasy Tactics
Call of Duty Modern Warfare 1 and 2
Call of Duty World at War
Call of Duty Black Ops
Zelda Ocarina of Time
Zelda Majora's Mask
Smash Bros. 64
Smash Bros. Melee
Golden Eye 64
Mario 64
"Common sense is not so common." - Voltaire
Platinumed Destiny, Vanquish, Ninja Gaiden Sigma Plus, Catherine, and Metal Gear Rising. Get on my level!!