"Overview - Forza Motorsport 4 (X360) is this week’s biggest debut with sales of 538,000, which is 67,000 more than its predecessor. Overall hardware sales are up week on week and down year on year. There are four debuts in the top 40, down from six last week. Software milestones this week: Gears of War 3 (X360) crosses the four million mark; and Zumba Fitness (Wii) reaches the three million mark. 12 games sold over 100,000, the same as last week, and the top 18 sold over 50,000, up from 17 last week."