Here are some tips for Monster Jam: Path of Destruction The racing game developed by explosive Activision and released on Nintendo DS last November. You will find below the list of Monster Trucks to unlock in the game and how to get there.
UNLOCK VEHICLES
Gross : Finish first in a race against Brutus
Grave Digger : Finish first in the National Tour mode
Grinder : Finish the first circuit of Minneapolis
Jurrasic Attack : Finish first in a race against Jurassic Attack
Maximum Destruction : Finished first stage of the circuit at Indianapolis
Monster Mutt : Finish first in a race against Monster Mutt
U.S Airforce After Burner : Finish first in a race against the U.S. Airfroce After Burner
To unblock all Monster Trucks, You must reach level 20 by getting points on all races.