I'm only doing this gen because it's the only one where I really gamed hardcore.

1. Super Smash Bros. Brawl
2. Killzone 2
3. Left 4 Dead 2
4. Grand Theft Auto IV
5. Demon's Souls

Starcraft II
Super Smash Bros. Brawl
Fallout 3
Demon's Souls
infamous

World fo Warcraft by far.

Goldeneye 64

Mariokart 64

Halo 3

Command and Conquer: Red Alert 2

1) Mario 3
2) Mario World
3) Starcraft
4) Monster Hunter Tri
5) Wii Sports

1. Golden Sun: The Lost Age (about and 40+ hour game...beaten it about 6 times)

2. Golden Sun(about a 30 hour game...beaten it about 6 times as well

3. Pokemon Gold-put about 130 hours in that

4.Star Ocean 3-about an 50-60 hour games beaten it about 4-5 times

5. Uncharted 2- played over 80 hours of SP and over 300 hours MP

Diablo II
StarCraft
Super Smash Bros. Brawl
Final Fantasy VII
Chrono Trigger (I guess)

1.HALO combat evolved on pc---300hrs plus
2.pokemon yellow---150 hrs
3.elder scrolls oblivion---110hrs
4.killzone 2---97 hours
5.mass effect 2---70 hrs

other high mileage games for me would be gta4, san andreas, uncharted2, mario kart 64, super mario 64, dragon age origins, need for speed undergound, mass effect 1, cod4, goldeneye,halo 3, warhawk all those are prob close to 50hrs.

1. Super Smash Bros Melee (I've been playing it since 2001)
2. Super Smash Bros Brawl (My most played game this generation)
3. Pokemon Red & Blue (Couldn't put the game down when I was little)
4. The Legend of Zelda: The Wind Waker (I've played through this game many times)
5. Fallout 3 (Too much time on this game... had to explore everything)

1. Super Smash Bros. Brawl - 1200 hours
2. Super Smash Bros. Melee - 700 hours
3. Monster Hunter Tri - 350 hours
4. Halo 3 - About 300 hours
5. Pokemon Pearl - 150 hours

1) Pokemon Silver
2) Pokemon Ruby
3) Kingdom Hearts 2
4) Final Fantasy X
5) Starcraft