Unlock Daytona bonus car
Just finish in first place on all tracks in a normal race under the normal difficulty setting
Dinosaur Canyon area:
Turn the car around at the starting line, then drive up the ramp on the right.
Daytona bonus car:
Finish in first place on all tracks in a normal race under the normal difficulty setting.
Uma horse:
Finish in first place on all tracks in a normal race under the hard difficulty setting.
Uma 2 horse:
Finish in first place using Uma on all tracks in a normal race under the normal difficulty setting.