Bonus monster truck #1 
Complete championship mode. 
Bonus monster truck #2 
Complete outdoor arcade mode. 
Bonus monster truck #3 
Complete indoor arcade mode. 
Bonus championship mode tracks 
Complete championship mode to unlock the Atlas Sandstorm, Corsica Rain, Far West Night, Iceland Snow, Scandinavia Storm, and Norway Night tracks. 
Bonus outdoor arcade mode tracks 
Complete outdoor arcade mode to unlock the Scandinavia, Jordan, Greece Sunset, Norway, Iceland, Atlas, Alps, and Canada rain tracks. 
Bonus indoor arcade mode tracks 
Complete indoor arcade mode to unlock the Indoor Scandinavia, Indoor Far West, Indoor Iceland, Indoor Atlas, and Greece daylight tracks.