Enter the cheats at the title screen.
While Playing a game press and hold START+BACK and press Y,L,X,B,R,A,R,Y. You will hear a sound if you did it correctly. Now quit and start a new one. During the run press and hold START+BACK and press Y,L,X,B,R,A,R,X. You will hear another sound if it is done right. Quit the run and start a new one. During gameplay press and hold START + BACK and press Y,L,X,B,R,A,R,A. You will hear one more sound. If you hear that last sound you will have 9,100,000 equipment points, 9,100,000 lift points, and all the runs will be accessible.