Win season one in cash grab mode on the normal difficulty setting to unlock the 1983 Grave Digger.
20th Anniversary Grave Digger
Win season two in cash grab mode on the normal difficulty setting to unlock the 20th Anniversary Grave Digger.
To unlock all trucks in Monster Jam: Maximum Destruction press R1, R1, R2, R2, L1, L1, L2, L2, START.
Successfully complete season two in any mode on the hard difficulty setting with a championship truck to unlcok the Big Yellow.
Complete season 2 of cash grab with a champ truck to get the ''Bull Dog'' truck.
Win a season on any difficulty setting to unlock the championship version of the truck that was used.
Successfully complete season one in any mode on the extreme difficulty setting with a championship truck to unlcok the Dog Pound.
Press Up, Down continuously until the man says "It's Monster Jam". Sometimes your opponents will freeze.
Successfully complete season three in any mode on the hard difficulty setting with a championship truck to unlcok the Hooch.
Successfully complete season one in any mode on the hard difficulty setting with a championship truck to unlock the IP/Inland truck.
Hold Up, release, then press Down.
In some levels, when you drive around and break items your health meter will slowly increase.
Win season three in cash grab mode on the normal difficulty setting to unlock The Incredible Hulk.
Hold Down, then press X.
More Cheats, Tips, Secrets & Walkthroughs
