Suggests a ROM hack designed to be played on a Nintendo DS emulator (like DeSmuME or DraStic) or a flashcart, sometimes using assets from Gen 4/5 games. ZIP: The container file for easy distribution.
If you have downloaded a ".zip" or ".rar" file, it typically contains a (usually .xdelta or .bps) rather than the full ROM to comply with legal guidelines. Pokemon Ruby Magma Nds Rom Zip
Downloading copyrighted ROMs of games you do not physically own violates copyright laws in many jurisdictions. To stay entirely legal and safe, enthusiasts use specialized hardware tools to dump the ROM data directly from their own physical Pokémon Ruby cartridges onto their computers. How to Play the File Once Downloaded Suggests a ROM hack designed to be played