 Dino Island's boss is Sam Sanister, a reincarnation of Baron von Barron from "Lego Racers", who has a fast car and lays oil on the ground that causes the player to slip out of control.The Mars boss is Riegel's large self-built walking robot which is indestructible and is unaffected by attacks and the Arctic boss is The Berg, a gorilla-looking ice creature who runs and is also indestructible and unaffected by attacks and lays ice ridges on the ground that send the player's car into the air and slow it down.The Berg gets a head start.