Is There a Secret High Score Technique?

If you kill enemies with the male wepon, you get much more point. Any special weapon you pick up has a limited amount of ammunition. You can trade hold stocks or difernt weapons but that was much, much later. The basic gam is, here's your gun. If you get a special weapon, great. Enjoy it while it lasts. Likewise, grenades, very a finite amount of grenades. But of course, if you die, you get more. So if you're credit feeding, like i often did, most of my credits were come in, mash grenade button, and then i die. Somemore It is a way to force it.