Initially titled Super Mario RPG 2 , it was planned for the 64DD (64 Disk Drive) before moving to a standard cartridge format.
However, obtaining ROMs through unofficial channels raises significant legal and ethical questions. Game developers and publishers invest substantial resources into creating their products, and distributing or downloading ROMs without permission can be considered copyright infringement. paper mario 64 z64 rom link
If you're interested in a feature from one of these games, here are some key features: The Fascinating Case of Paper Mario 64 and
Most modern emulators can read any of these, but .z64 is generally considered the "cleanest" standard for archival. Where to Look for the ROM paper mario 64 z64 rom link