To exit the game, you need to press the HOME button (or the button with the PSP logo) during the game, which is located at the bottom left. The exit is instant, without confirmation. The sound stops, the screen goes blank and after a few seconds you return back to the game selection menu.
We made update today. Please, re-download it!
LATEST CHANGES (PSP Port):
1. CPU/BUS frequency set in game 333MHz/166MHz (this helps when "CFW 6.60 ME-C2" firmware used)
2. Added Confirmation Window at Exit.
3. A few increased performance for Graphics (expecially for filtered option).
4. A few decreased memory consumption.
5. Added VSync option in config file.
Game was tested on "PSP-3008" device with "CFW 6.60 PRO-C2" and "CFW 6.60 ME-C2" firmwares.