However, that can magically make FNAF Security Breach run on a PSP. The game’s engine (Unreal Engine 5) is fundamentally incompatible with the PSP’s MIPS architecture. You cannot "patch" a PS5 game into a PSP game any more than you can patch a car engine into a bicycle.

: Similar to the official console patches, fan updates work to fix soft-locks during cinematics or interaction issues with mission items. Gameplay Features on PSP

He stared at the black plastic brick on the floor. Smoke was rising from the vents.

Since this is a homebrew project, it is not available on official storefronts like the PlayStation Store. FNAF Security Breach On Mobile: PPSSPP Guide - Ftp

The logs revealed a shocking truth: the PSP had been used by a group of developers, internally known as "The Patch Team," to test and refine the cancelled Security Breach game. The team had been working on the project in secret, patching and updating the game long after it was thought to be abandoned.

He stood up to grab a soda, shaking off the adrenaline.

The original game would hard-lock the PSP exactly 3 real-time minutes into the 6 AM countdown. The patched version rewrites the memory allocation, allowing the full 6 AM cycle to run without failure.