Here is a look at the titles people are playing on Xbox LIVE.
Xbox 360 Top LIVE Titles (based on UU’s)
1 Modern Warfare 2
2 Halo 3: ODST
3 Halo: Reach Multiplayer Beta (Pre-order the game)
4 Halo 3
5 Call of Duty: WaW
6 FIFA 10
7 Battlefield Bad Co. 2
8 GTA IV (Purchase the full game for direct download)
9 Call of Duty 4
10 Gears of War 2
11 UFC Undisputed 2010 Demo (Pre-order the game)
12 Splinter Cell Conviction
13 Left 4 Dead 2
14 Skate 3 Demo (Pre-order the game)
15 Forza Motorsport 3 (Download the demo)
16 NBA 2K10
17 Game Room **
18 Split Second Demo (Pre-order the game)
19 NHL 10
20 Borderlands
Top Arcade Titles (Full Versions purchased)
1 Zombie Apocalypse
2 Game Room **
3 Toy Soldiers
4 RAYSTORM HD
5 Trials HD
6 Tecmo Bowl Throwback
7 Castle Crashers
8 Zeno Clash UE
9 AFTER BURNER CLIMAX
10 Perfect Dark
11 UNO
12 Battlefield 1943
13 Marvel vs. Capcom 2
14 Final Fight™: Double Impact
15 Magic: The Gathering
16 Worms 2: Armageddon
17 The Dishwasher: Dead Samurai
18 Worms
19 Hasbro Family Game Night *
20 Teenage Mutant Ninja Turtles 1989 Classic Arcade
The above arcade list is based on full versions purchased.
**Combined sales of all Game Room titles
*Combined sales of all Hasbro Family Game Night titles
Top Indie Games (Full Versions purchased)
1 Baby Maker Extreme
2 Avatar Onslaught
3 I MAED A GAM3 W1TH Z0MB1ES!!!1
4 Home Run Challenge
5 Breath of Death VII
6 The Impossible Game
7 Avatar Drop
8 Ambient Water
9 Avatar Showdown
10 Super Avatar Hero Force
11 Avatar Avenue
12 Miner Dig Deep
13 Decay – Part 1
14 The Impossible Avatar Getaway
15 Zombies 2.0
16 Avatar Run
17 Inside Lacrosse’s CL2010
18 Avatar Dash
19 Twin Blades
20 Beat Hazard
Games for Windows Top LIVE Titles (based on UU’s)
1 GTA IV
2 Warhammer 40,000: Dawn of War II
3 Colin McRae : Dirt 2
4 Street Fighter IV
5 Fallout 3
6 Bioshock 2
7 Fuel
8 LOST PLANET COLONIES
9 Halo 2
10 Resident Evil 5
11 Shadowrun
12 Batman: Arkham Asylum
13 Gears of War
14 Red Faction Guerrilla
15 Tinker
16 Battlestations: Pacific
17 Universe at War
18 FlatOut UC
19 Quantum of Solace PC
20 Section 8
These lists are based on global unique users connected to Xbox Live or in the case of Arcade and Indie Games, full versions purchased during the week.
Some content (and therefore the links) may not be available in all Xbox LIVE regions.
Larry Hryb 
Xbox Wire 