Shaggy's being pursued by a monster in an amusement park. Try to escape it and uncover the mystery of this 'roller ghoster'. Do the right tricks to increase the distance between you and the roller ghoster. Good luck!
Use the left arrow to slow down, the up arrow to climb the halfpipe, the right arrow to speed up and the down arrow to crouch down. Press the spacebar to jump or to get onto the handrail. When you're in the air, press the left arrow to do a kickflip and the right key to do a 360 degrees jump. When you're on the handrail, press the left arrow to move to the left and the right arrow to move to the right.