The game does not write data to the Windows Registry, preventing bloat.

Go to to increase the rendering resolution. Because the PSP had a low resolution, upscaling it to 3x or 4x resolution makes the game look incredibly sharp on a modern 1080p or 4K PC monitor. Step 4: Launch the Game

Emulation allows you to upscale the game to 1080p or 4K resolution, use any modern USB controller, and use save states to save your progress at any exact second.