A handy tool based on CFW 5.03 GEN-C that allows PSP-2000 TA088v3 (2000v3) and PSP-3000 users to launched all the latest titles that requires firmware 6.30 without the need of any plug-ins.
Or when your player dies, you can say in code, if enemy exists, do nothing, but if enemy does not exist, then create enemy at certain spot. (This would be a pain tho for lots of emeies)