SpongeBob got into a mysterious underground world, which is full of juicy hamburgers, but they are in different hazardous locations. The rocky labyrinth has a special magic, there are special portals with green crystals, which are able to transform into the hero athlete, like the Hulk or light floating ghost-like little sea sponge. The new images will help the character to overcome obstacles, which can not pass the ordinary form. Draw lines with the mouse trails.