It's really hard to look through the list and add stuff when nothing is in any order. I took care of it for ya!
Assassin's Creed II
Asteroids
Batman: Arkham Asylum
Batman: Arkham City
Battletoads (SG)
Beavis and Butt-head (SG)
Bioshock
Burgertime: World Tour
Castlevania: Symphony of the Night
Castlevania: Rondo of Blood
COD: Black Ops
COD: MW3
College Football USA 96 (SG)
Contra Rebirth
Desert Strike: Return to the Gulf (SG)
Donkey Kong 64
Doom 64
Double Dragon (SG)
Dragon Age Origins
Driver (PS1)
Driver 2 (PS1)
God of War 3
Goldeneye (N64)
Grand Theft Auto 2 (PS1)
Grand Theft Auto: Vice City (my favorite modern game of all time)
GTA IV
GTA: San Andreas
Legend of Zelda: Ocorina of Time
Legend of Zelda: Skyward Sword
Lego Harry Potter series
Lego Star Wars series
Little Big Planet 2
Madworld
Madden 98'-02' (PS1)
Mario 64
Mario Kart 64
Mario Galaxy
Mario Glaxy 2
Mass Effect 1, 2, 3
Metroid Prime
Metroid: Other M
MLB: All star baseball 02'
MLB: The Show '08
Mortal Kombat (SG)
Mortal Kombat II (SG)
Mortal Kombat 3 (SG)
NCAA football 98' (PS1)
Paperboy (SG)
NFL Blitz (N64)
Sonic Adventure
Sonic Adventure 2
South Park (N64)
Star Fox 64
Star Wars: Episode III
Star Wars Knights of the Old Republic
Street Fighter II': Special Champion Edition (SG)
Test Drive Off-Road (PS1)
Tony Hawk's Skateboarding (PS1)
Twisted Metal 1-4 (PS1)
Uncharted 1,2, and 3
WCW vs. nWo: World Tour (N64)
WCW/nWo Thunder (PS1)
WCW/nWo Revenge (N64)
WWF Attitude (PS1)
WWF War Zone (PS1)
WWF WrestleMania 2000 (N64)
WWF Raw(SG)
WWF Royal Rumble(SG)
WWF SmackDown! (PS1)
WWF SmackDown! 2: Know Your Role (PS1)
WWF Super WrestleMania(SG)
WWF WrestleMania: The Arcade Game(SG)
Added a LOT of my favorites that I played growing up. I stuck with Sega Gen, PS1 and N64 as there is just way to many games once you start getting into the newer age.
Try to keep it in alphabetical order, makes it easier to contribute to the thread.