Files are usually placed in the PSP/GAME folder of your Memory Stick.

A long-running homebrew project that aimed to be a more direct "Garry's Mod PSP." While early versions were released, it remained largely experimental, focusing on basic object manipulation and level navigation.

Expect low frame rates when spawning more than a few objects. The PSP's processor is pushed to its limit by real-time physics calculations. Compatibility: Most "GMod" style homebrews require Custom Firmware (CFW) like Ark-4 to run. Alternatives:

The closest actual match:

Enterprising users often attempted to add their own custom models and maps using the PSP SDK