The cartridges have a fixed size, so if the game was made to fit in a bit less than 12MB but more than 8MB(or 10MB I didn't lookup the size of rom chips) then t

The cartridges have a fixed size, so if the game was made to fit in a bit less than 12MB but more than 8MB(or 10MB I didn't lookup the size of rom chips) then the cartridge would cost the same