offers a "Hollow Knight Beta" demake. This is an original creation styled after retro handheld games rather than a port of the main game. PS Vita Port
If you're looking for that Hollow Knight "vibe" on your PSP, check out these legendary Metroidvanias that actually have ISOs: Castlevania: Symphony of the Night Castlevania: The Dracula X Chronicles collection). Cave Story (a brilliant fan port exists for the PSP). Guacamelee! (available on PS Vita if you decide to upgrade). Conclusion What's So Special About The Original Hollow Knight? hollow knight psp iso