If you have a Nintendo 3DS, this project is often considered "better" because it is a more faithful port of the original PC game rather than a demake.
To avoid piracy and ensure you are getting the safest, most updated version, you should use the official homebrew repositories rather than random ROM-hosting sites. 1. Requirements undertale ds rom better download
Uses the dual screens for dialogue and world-building. If you have a Nintendo 3DS, this project