These lists are based on global unique users connected to Xbox Live or in the case of Arcade, full versions purchased this week. Here are the top 3 for each charts, see the source for the complete top 10 list.
Xbox 360 Top Live Titles
1. Call of Duty 4
2. Halo 3
3. Tom Clancy's Rainbow Six Vegas 2
Top Arcade Titles
1. Mr. DRILLER Online
2. DOOM
3. Brain Challenge
Original Xbox Top Live Titles
1. Halo 2
2. Star Wars: Battlefront 2
3. Fable
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