I can provide direct setup steps or recommend the specific emulator software for your device. Share public link
There are two primary ways to experience Undertale on Nintendo handhelds via homebrew: undertale ds rom better download
: If you use TWiLight Menu++, place the ROM in /_nds/ or your standard ROMs folder on the SD card. I can provide direct setup steps or recommend
Bullet patterns scale smoothly to the smaller touchscreen box. undertale ds rom better download
: To avoid piracy and respect the original creator, this homebrew requires you to provide your own legally purchased copy of Undertale from Steam to "compile" the ROM. How to "Download" and Install