Did we miss a new homebrew development? Check r/PSP or r/Undertale for the latest community news. As of this writing, no working Undertale PSP ISO exists – but if one ever does, we’ll update this guide immediately.
Several developers have attempted to recreate the Undertale experience using PSP-compatible engines like LuaPlayer or C++. undertale psp iso download top
If you see a website claiming “Undertale PSP ISO download top” in 2026, report it. Share this article. Save fellow gamers from malware. And always support Toby Fox by buying the official game on Steam, Switch, or PlayStation 4/5. Did we miss a new homebrew development
Connect your PSP to your PC via USB. Navigate to PSP > GAME . Create a folder named "Undertale" and paste the EBOOT.PBP inside. undertale psp iso download top