Note: this page offers information and curiosities based on several sources, but does not cover all existing content. Collaborate with our Wikigamer to add references and information by getting in touch with us.
Super Mario Advance 4: Super Mario Bros. 3-e is an expansion pack in the form of separate physical cards for the Nintendo e-Reader. The cards could have new levels (Level Cards), items (Power-Up Cards) and demo gameplay from the developers (Demo Cards).