Ready to kill some good guys? This awkwardly-titled Japanese demo might not be the easiest to understand ... but who can say no to a free downloadable demo?

1. Download the demo zip file.
2. Extract the contents of the zip file.
3. Connect your PSP to your computer using a USB cable.
4. Go to the PSP/GAME folder.
5. Copy NPJG90009 folder into the GAME directory.

Voilah! The demo is now in your PSP Memory Stick.