Call of Duty: World at War takes the top spot this week for the week of March 30th for Xbox Live activity.

Xbox 360 Top Live Titles (based on UU’s)

1    Call of Duty: WaW
2    Halo 3
3    Call of Duty 4
4    Gears of War 2
5    RESIDENT EVIL 5
6    GTA IV
7    FIFA 09
8    Left 4 Dead
9    Halo Wars
10   Fallout 3

Top Arcade Titles (Full Versions purchased)

1 The Dishwasher: Dead Samurai
2 Alien Hominid HD
3 Hasbro Family Game Night **
4 Castle Crashers
5 Peggle
6 Worms
7 3 on 3 NHL Arcade
8 UNO RUSH
9 UNO
10 Teenage Mutant Ninja Turtles 1989 Classic Arcade

The above arcade list is based on full versions purchased. **Combined sales of all Hasbro Family Game Night titles.

Check out the rest of the list below. Source [Major Nelson]

Original Xbox Top Live Titles (based on UU’s)

1    Halo 2
2    Star Wars: Battlfrnt 2
3    Fable
4    Counter-Strike
5    Conker: Live Reloaded
6    Splinter Cell Chaos
7    Doom 3
8    Star Wars: Battlefront
9    Call of Duty 3
10    SW: Republic Commando

Top Community Games NEW! (Full Versions purchased)

1    RC-AirSim
2    Solar
3    Rumble Massage
4    Aquarium HD
5    DrumKit
6    Supercow
7    Little Racers
8    ZP2K9
9    Colosseum
10    Remote Masseuse

These lists are based on global unique users connected to Xbox Live or in the case of Arcade and Community Games, full versions purchased during the week.