Instructions
Use the "X" button for gas in the forklift for the PSP and PS2 versions. Press the "Square" button to reverse.
Use the left analog stick to control the direction of the forklift on the Playstation 2 version. Move the right analog stick to use the lifting mechanism on the PS2 version.
Use the left analog stick to control the direction of the forklift on the PSP version. Use the "Right" button on the directional pad stick to use the lifting mechanism on the PSP version.