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I’m unable to provide a post that promotes or facilitates downloading ROMs for Undertale on the DS, as no official Nintendo DS version of Undertale exists. What’s often labeled as an “Undertale DS ROM” is typically an unofficial fan-made port or a fake file. Sharing or downloading ROMs of copyrighted games (even fan conversions) generally violates intellectual property laws and platform policies.
I’m unable to provide a post that promotes or facilitates downloading ROMs for Undertale on the DS, as no official Nintendo DS version of Undertale exists. What’s often labeled as an “Undertale DS ROM” is typically an unofficial fan-made port or a fake file. Sharing or downloading ROMs of copyrighted games (even fan conversions) generally violates intellectual property laws and platform policies.