The basic idea is that blocks bounce around the screen randomly and you have to avoid them for as long as possible.
_(PSP_Game).png)
Easy: 1 block
Medium: 2 blocks
Hard: 3 blocks
Extreme: 4 blocks (press select at menu to access)
Thanks to http://www.dcemu.co.uk for the news.

AEP-Emu (DE/EN)
DMG Page (DE)
Indie Retro News (EN)
Retroguru (EN)