The story stars Buster Bumblechops whom has lost his Moshlings, as Dr. Strangeglove figured out the location of Buster's Secret Ranch. The player must save all the Moshlings found in Ooh La Lane, Main Street, Moshi Fun Park, Growl Mansion, The Port, Buster's Ranch and by clicking on the manhole, the secret and newly added, Halloween Mansion in Tracker Mode, Explorer Mode and in the Time Challenge. They player can also do special things, in-which will get them a trophy.