Play Gumball Class Spirits Game online in your web browser and mobile at superkidgames.com for free and more html5 games. When Penny started hanging out with Leslie,Gumball got crazy jealous. Now his jealous spirit is on the loose. Use magic dust to trap Jealousy before it infects the entire school. Help Gumball round-up evil specters in Class Spirits. The game's story is based on the plot of "The Flower," with a few twists for the sake of gameplay. Leslie has begun hanging out with Penny, making Gumball jealous. His jealousy took the form of a malevolent spirit, bent on possessing people and revealing their deepest desires, and forcing them to achieve said desires in malicious ways. Gumball, armed with a jug of salt, which is a ghost's bane, must trap the spirit with salt lines to prevent it from spreading its curse.