If you have a custom firmware (CFW) PSP and a home Wi-Fi network, you can stream Undertale from your PC to your PSP using a homebrew app like or Moonlight PSP (experimental).

If you’ve landed on this page searching for the phrase , you’re likely a fan of Toby Fox’s indie masterpiece, Undertale , and a proud owner of Sony’s classic handheld, the PlayStation Portable (PSP). The idea of playing as Frisk, fighting Toriel, or dodging Sans’s attacks on that gorgeous 4.3-inch screen is undeniably appealing.

Fortunately, the passionate homebrew community stepped in. Thanks to talented developers, you can now experience this masterpiece on the go using your classic handheld. If you are searching for a high-quality , this comprehensive guide will explain everything you need to know to get the game running perfectly. Is There an Official Undertale PSP ISO?

Most "Undertale PSP" projects are still in development or exist as playable demos (often covering the Ruins section). You can typically find these projects on community hubs like: : The primary hosting site for indie fan projects.