Monkit released SnowKillz.

Release notes:

Basically it is something like a top-down shooter.
It was previously one of my super old childish games on PC
My old SnowKillz on PC But I ported it to PSP thinking that it would be fun Anyway.. the Loading is very slow.. have to bear with it. >.

http://forums.qj.net/showthread.php?t=144508