Extra Speed (ジェットスクリュー Jettosukuryū?, lit. "Jet Screw") is an item in Tails Adventure.


The Extra Speed can be found in Green Island in a section only accessible by using the Remote Robot.


The Extra Speed is an item that can be equipped to the Sea Fox. In order to use the Extra Speed, the player must hold Game Gear I Button. The player let go of Game Gear I Button and press Game Gear II Button to make the Sea Fox jump higher.