If a website forces you to complete a survey, install a browser extension, or click advertisements to unlock a download link, leave the site immediately.
Fake ROM files often download as .exe , .msi , or .scr files compressed inside .zip or .rar archives. A real Nintendo DS ROM will always have a .nds file extension. Running an executable file masked as a ROM can instantly install trojans or ransomware. Adware and Browser Hijackers
If you are determined to play a fan-made version on a dual-screen Nintendo system, the project is likely further along than the DS version. However, the developers also state it is a "100% unofficial, currently in very early development, serving as a proof of concept". Like the DS version, it requires legitimate assets to run.
Since sharing pre-patched ROMs is illegal, you must follow these steps to generate your own: undertale ds rom download upd
Running these files can install spyware, adware, or ransomware on your device. How to Play Undertale on Handheld Devices Safely
Most of these fan projects only feature the opening sequence in the Ruins or a standalone fight against Sans.
: Ensure that the ROM you download is compatible with your emulator of choice. There are several DS emulators available for PC and mobile devices, such as DeSmuME, No$GBA, and MelonDS. If a website forces you to complete a
: Find the data.win file in your Steam or GOG installation folder (typically located in steamapps/common/Undertale ).
Clicking these links usually results in downloading malware, adware, or unwanted executable files.
You can play the original PC version flawlessly on modern PC gaming handhelds with full controller support. Running an executable file masked as a ROM
Many sites claiming to host a full "Undertale DS ROM" actually bundle the downloads with executable files (.exe) or adware designed to infect computers or steal personal data. Brick Risks:
There is no official Nintendo DS version of Undertale, meaning any "Undertale DS ROM download" you find online is either a fan-made homebrew project or a potentially harmful file.