There is only way to play the complete, official Undertale experience on a Sony handheld: the PlayStation Vita version. This port is excellent and has been praised as one of the most essential games on the platform. Supporting Toby Fox by buying the official release is the best way to ensure more great games get made. Undertale is also available on Nintendo Switch, PlayStation 4, Xbox One, PC, and other platforms.
A memory card with at least 500MB of free space (or a MicroSD-to-MS-Pro-Duo adapter). undertale psp iso download exclusive
Several emulators are available for playing Undertale on PSP, including: There is only way to play the complete,