Slime of Gusto Dragon Quest: Ballistic Tails Brigade

The main plot of the game is a blue slime (later localized as Rocket) is trying to save his family and friends that were kidnapped by a group of monsters called the Tails Brigade. The blue slime is a monster from the Japanese Dragon Quest video game series. The slime uses his body to attack opponents. He can also stack other slimes that he freed and monsters on top of his head.