To make the game's AI more advanced, you must start a Pro Career and input your name as ALLOUTAI. Make sure to use NO spaces. Once entered, you will be asked to make a different name. This name can be whatever you like.
Balance
During gameplay it is faster to land on all four wheels on the landing ramps to gain more speed for the next. Threw the bumps section try to land on the landing sides as it will be easier to over take other riders.
Best four wheeler
The best four wheeler, besides the bonus vehicle, is the Polaris 500.
Infinite Tricks
You can get stuck on rails or other low to the ground bars by stopping in front of the bar and doing a wheelie onto the rail or bar you want to go on, and your ATV will some of the time, get stuck on the rail and you can do up to ten tricks. But, be careful because the game will make you fall off if you dont do the tricks fast enough. This can also work in two player mode. You can get stuck on the other player's ATV and the player on the bottom can drive while the player that's stuck can do tricks until the game makes you fall down and crash.
Preload
To preload, press Down at bottom of a jump then press Up and to fly like a jet.
Quick resume
Press L1 + R1 if you go off-track or crash to quickly resume the race.
Ravage 1000cc ATV
To unlock the Ravage 1000cc ATV, you must complete the Pro Career mode.
Tricks
To do tricks, hold Triangle or Circle and move the Left Analog Stick or D-pad in any direction.
Unlock All ATV's
Go to pro-carrer mode, enter name as CHACHING, once you've done that it should take you back to the Main Menu. Check your ATV's you should have all of them.
Unlock All Tracks
To unlock all of the tracks in the game, enter the name "WHATEXIT" after selecting Pro-Career mode. The game will take you back to the main menu if you did this correctly and you can enter your real name.
Unlock Two Honda Quads
To unlock two Honda quads you must beat the game five times with the Ravage 1000 after unlocking it.
Worst four wheeler
The worst four wheeler is the Lime Green Kawasaki.
Yamaha Raptor Revealed
To get the Yamaha Raptor you must beat the Pro-Career and get the Ravage1000. Next you have to beat the Pro-Career with the Ravage1000. Then beat the Pro-Career with the same ATV two times.