Undertale was built in GameMaker: Studio . GameMaker games export to Windows, Mac, Linux, iOS, Android, Xbox, PS4, Switch, and even HTML5. But GameMaker has not supported the PSP since 2011 . There is no export module.
To clarify, this section is for backing up . If you own a physical UMD disc, you can rip it to ISO for use on custom firmware. Here’s the safe, legal method: undertale psp iso download exclusive
. The game was officially released for Windows, macOS, Linux, PlayStation 4, PlayStation Vita, Nintendo Switch, and Xbox One. Undertale was built in GameMaker: Studio
If you're interested in playing Undertale, I recommend checking out official channels, such as: I recommend checking out official channels
Before attempting to run Undertale on your PSP, your hardware and software must meet specific requirements.
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