Rummer & Rabalder: Dr. Franks Mask is a Swedish computer game created after an idea by Lars Anttinen. The mouse brothers is a famous duo from an old Swedish television show called Lattjo Lajban: Rummer och Rabalder broadcasted on TV4.

The story begins with Rummel and Rabalder guarding a safe, containing the evil Dr. Frank's worm, from the upcoming thief, but instead, they themselves are robbed of the worm by the evil bulldog and the safe explorer Lady. Immediately, Rummel and Rabalder follow her on their magical flying carpet through a bustling corridor, a dangerous forest, and an unwelcome island...