|Attack Type||Spawns Shadow Walkers|
Shadow Goo has to be cleared from every level to get a perfect score for a stage. Shadow Goo allows Shadow Walkers to spawn, and if the larger puddles are cleared, Shadow Walkers will no longer be able to come out of them. If 100% of the Shadow Goo cleared in a level, The Hero receives one hundred Rapo-Coins at the end of the stage.
Some Shadow Creatures that emerge from or are found near Shadow Goo are:
Shadow Goo is a dark, black, irregular substance that varies in size. It is most comparable to ink or tar. Shadow Goo comes in 16 different textures or styles although they all function the same within levels.