While was never officially released for the PlayStation Portable (PSP), there are community-driven projects and alternative ways to experience it on handheld devices. Official Status vs. Fan Projects
Most of these ISOs are incomplete demos—often just the first area and a single boss—compiled by hobbyists who label their work as "PSP Homebrew (Not For Sale)." They require a like PRO-C or LME, and a memory stick loaded with patience. Downloading a "full game" ISO is a red flag; at best, it's a virus; at worst, a Rickroll. hollow knight psp iso
There is no official version of Hollow Knight for the PlayStation Portable, nor has Team Cherry released a PSP port. While was never officially released for the PlayStation
Downloading a "Hollow Knight PSP ISO" is highly recommended against. The file technically does not exist in a playable form for the PSP, and attempting to download one puts your device and personal data at risk. If you want to experience Hallownest on the go, the official Mobile port or the Nintendo Switch version are your best options. Downloading a "full game" ISO is a red
Because in the end, Hollow Knight is about exploring a fallen, forgotten world. And what’s more fitting than playing it on a fallen, forgotten handheld?