Op Intensify - 1,163,390 - 63% - MAME
This will have to be my final submission for the week, since I'm leaving on vacation later today. I'm not unhappy with it, though! True to the Gradius powerup bar, you're pretty much fucked once you die once. I was lucky enough to die partway through 1-5 at a checkpoint with tons of bonus boxes nearby.
Fourth boss is a complete bast until you realize how easy his laser patterns really are. I'm still amazed at how much health they gave him, though.