Go to the main menu and press Triangle, L1 + Left, Square, Triangle, L1 + Right, R1 + Down, R1 + Right, Select
Get All bikes
Go to the main menu and press L2 + Square, L1 + Right, L2 + Circle, L1 + Left, Square
Get All tracks
Go to the main menu and press Triangle, Right, L1 +R1, Square + Circle, L2 + Circle, Square
Get 250 cc Freestyle
Go to the main menu and press Up, L1 + Up, Square, L1 + Right, L2 + Down, L1 + Left
Get All riders
Go to the main menu and press Right, L1 + Right, Down, L1 + Left, Right, Square
Bunny Hop
To do a bunny hop stop and hold Clutch(L1),back,X and Preload(L2 or R2). wait till you've fully preloaded then release Clutch...and Voila...A bunny hop.If thats too hard Try this:Hold back,X and Preload,wait till youve preloaded and you will do a bunny hop not as high as the other one but a fast, Quick bunny hop
Get a CRF250R
After completing Career mode PRO 125 and moving on to select a new bike select a CRF450 complete the 250 mode with that bike, once you have finished the game you can play a 125 motocross track and when you choose a bike choose your cr450 and it will be a crf250 because it will be in a 125 mode.
Easy money
To get easy money go to the tutorials and select one. Then hit x until all the words go away.Then when its time to start hit pause and exit the game. and it gives you money
All Tricks
 hold L2 and R2 befor a trick x tap/superman seat grab x press/superman indian x hold/superfly
o tap/no hander o press/nothing o hold/nothing mute
triangle tap/ heel clicker triangle press/roadio air triangle hold/extended roadio air
square+o tap/can can square+o press/disco can square+o hold/extened disco can
square+triangle tap/super can square+triangle press/super switchblade square+triangle hold/1handed super switchblade
x+x+triangle tap/mulisha indian to heilcopter                   tap triangle+triangle+x bar hop to superman indian
Play Freestyle and only do one trick. (superfly)Don't fall. then wait for the rest of the time. Then you enter at the replay screen enter x r2 square then hold r1 and L1. Then as soon as you let go you can do more/better tricks.
Experimental Tricks
Experimental Break: (Hold L2 or R2) press Triangle, X, Triangle when in the air
Experimental Olympic Podem: (Hold L2 or R2) press X, Square, Triangle when in the air
Experimental Back: (Hold L2 or R2) press X, Triangle, X when in the air
Play as Cameron Steele
Get the "World's Longest Jump" trophy to unlock Cameron Steele.
Play as Elrod the Viking
Go to the Rock Ridge freestyle track. Go to the left until you notice the chair lift. Head downhill to the lower tower. Look for the stone ramp to the right (while still facing downhill). Get your speed up to about 45 mph, preload, and jump to the tower and stop on top of it. You must now travel up to the higher tower riding on the cables. When you reach the other side, will get the "Lift Tower Challenge" trophy and unlock Elrod the Viking.
Play as Superfly
Get the "Crane's Eye View" trophy to unlock Superfly.
Get Sal The Alien
In Fox Creek, follow the white barrels from rooftop to rooftop and then you should land on a rock that's like a bridge but don't stop, you need to carry your speed and then you'll make it to a cave and just follow the weird alien stuff till u get to a room with an alien ship and go to the room in the back with the alien in a tube and then it should say special trophy awarded or something like that and now you have Sal The Alien!
