The game takes place in Volcanica, a place populated by Crunchlings at the center of the Earth. The city's mines have been infiltrated by thieves looking to steal all the crunchium, which is needed to produce Cap'n Crunch cereals. Cap'n Crunch attempts to remedy the situation by having a crunchling challenge the thieves to an athletic competition. The crunchling trains for the challenge by practicing three games, each teaching a different skill.

The game takes place in Volcanica, a place populated by Crunchlings at the center of the Earth. The city's mines have been infiltrated by thieves looking to steal all the crunchium, which is needed to produce Cap'n Crunch cereals. Cap'n Crunch attempts to remedy the situation by having a crunchling challenge the thieves to an athletic competition. The crunchling trains for the challenge by practicing three games, each teaching a different skill.