Thrillville Cheats

Unlock All Parks:
While playing, press X, B, Y, X, B, Y, X.

Unlock All Rides:
While playing, press X, B, Y, X, B, Y, Y.

Get $50.000:
While playing, press X, B, Y, X, B, Y, A.

Complete Mission:
While playing, press X, B, Y, X, B, Y, B. Then press X to complete the mission.