Games are becoming more expensive to produce. The "next generation" of consoles, particularly the Xbox 360 and PlayStation 3, have more advanced graphic ability than previous consoles, but taking advantage of that ability requires a larger team size than games on earlier, simpler consoles. In order to compete with the best games on these consoles, there are more characters to animate; all characters must be modeled with a higher level of detail.

For more detail visit following links