Collect ten Specter Emblems. You can find these on every stage. To accelerate, press the Analog-stick Up or hold D-pad Up. Players are Professor, Spike, 1-Ton, and Natalie. You will see a gauge at the bottom of the screen. When you collect glowing bananas, your gauge will fill and will give you a boost of speed. To increase your gauge, hold X and release. This will make you jump. While jumping, hold or press Circle or Triangle. You will perform a trick and increase your gauge. To get higher up, jump while on a hill of snow.