You unlock new characters like Pasadena O'Possum, Nina Cortex, and Crunch Bandicoot by completing their specific missions within the different park hubs.
The PSP version supports for up to eight players , allowing for large-scale competitive racing and clashing. Crash Tag Team Racing PSP
Just before the light turns green, tap the gas to get a speed burst at the beginning of the race. You unlock new characters like Pasadena O'Possum, Nina