How will the list change next time? Check back and find out!
Xbox 360 Top LIVE Titles 
1 Modern Warfare 2
2 Halo 3
3 Call of Duty: WaW
4 Call of Duty 4
5 DEAD RISING 2: CASE ZERO
6 FIFA 10
7 GTA IV
8 Madden NFL 11
9 Gears of War 2
10 Battlefield Bad Co. 2 
11 Red Dead Redemption
12 Mafia II Playable Demo
13 Halo 3: ODST
14 Left 4 Dead 2
15 Forza Motorsport 3
16 VANQUISH OFFICIAL DEMO – VELOCITY ATTACK
17 Mafia II
18 Trials HD
19 Fallout 3
20 Monday Night Combat
Top Arcade Titles 
1 DEAD RISING 2: CASE ZERO
2 SCOTT PILGRIM VS. THE WORLD: THE GAME
3 Monday Night Combat
4 LIMBO
5 Shank
6 Lara Croft and the Guardian of Light
7 Alien Breed Episode 1
8 Trials HD
9 Castle Crashers
10 Galaga Legions
11 Deadliest Warrior
12 Castlevania Harmony of Despair
13 RISK: FACTIONS
14 UNO
15 Hydro Thunder Hurricane
16 Game Room
17 Toy Soldiers
18 Battlefield 1943
19 Geometry Wars: Retro Evolved 2
20 Magic: The Gathering
Source- Major Nelson's Blog
Thursday, September 9, 2010
