Quite an incredible number in Xbox 360 sales was seen last month in the month of December, the Xbox 360 reached 1.9 million sales, beating out the Playtation 3 sales. While the Nintendo Wii is still on top with 2.36 million, not sure why? It's definitely obvious why Xbox 360 sales were up, the new Xbox addon called the Kinect. The controller free accessory for the Xbox 360 has become popular among many gaming enthusiasts across the globe.