Try DaedalusX64 R14 for nostalgia, but expect frame drops and minor glitches. The “new” builds are a technical marvel given the PSP’s limits, not a definitive way to play.
A homebrew developer compiled a "Track Pack" that rebuilds Mario Kart 64 's tracks (like Kalimari Desert and Toad's Turnpike ) using the Quake engine on PSP. It’s not perfect, but it’s a "new" way to see classic geometry on the PSP screen. mario kart 64 psp new
