If you are looking for the most functional fan versions, these are the primary ongoing efforts:
Several independent developers have attempted to port Undertale to hacked Nintendo 3DS systems using homebrew software. undertale ds rom better download
I understand you're looking for a useful guide related to downloading an Undertale ROM for the Nintendo DS. However, it's important to clarify a few key points first—both for legality and practicality. If you are looking for the most functional
Download the patcher and project files from the C3RV1 UndertaleNDS GitHub . Locate your official Undertale installation folder on PC. Download the patcher and project files from the
Forget "ROMsUnlimited" or "CoolROM". Go to:
Drag and drop the Undertale .nds file into the root folder of the MicroSD. Insert the R4 card into your DS or 3DS console to play. Option 2: Using a DS Emulator Download DeSmuME or MelonDS . For Android: Use DeMume or DraStic .