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. Guitar Hero III
Top Arcade Titles:
1. N+
2. UNO
3. Rez HD
Original Xbox Top Live Titles:
1. Halo 2
2. Star Wars: Battlefront 2
3. Counter-Strike
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