Killzone 2

Resistance 2

LittleBigPlanet

lol, jk.

Err...

1. Gears of War

2. Halo 3

3. Call of Duty 4

I'll assume you mean released games, correct?

1. Rock Band
2. Gears of War
3. BioShock

1. gears of war,
2, Halo 3
3. perfect dark zero

1) Tales of Vesperia

2) Lost Odyssey

3) Blue Dragon

Damn... this is gonna be difficult... here goes!

1. Gears of War
2. Dead Rising
3. Halo 3

1) Dead Rising

2) Braid

3) Mass Effect

1 - Mass Effect

2 - Infinite Undiscovery

3 - Blue Dragon

1.Assasins Creed
2.Gears of War
3.Geometry Wars

1. Bioshock
2. Halo 3
3. Crack down

1. Streets of rage 2 (what can i say, so many memories, 2 player online co-op)
2. Gears of war (simply fantastic both online and offline)
3. Dead Rising (Amazing game)

Dead rising just pipped Virtua tennis 3, online VT3 is great