Here is the list of every Sega Saturn games and demos that require an external cartridge (ROM Cart, 1M RAM Cart, 4M RAM Cart). Every games and demos have been tested :

List of games and demos that require a ROM Cartridge

(5 entries)

List of games and demos that require or are compatible with the 1M RAM Cartridge

(40 entries)

List of games and demos that require or are compatible with the 4M RAM Cartridge

(47 entries)

Complete list of games and demos that require or are compatible with one of the external cartridges

(57 entries)