Enemies that reach the ground subtract points. https www. gogofreegames. Shoot the enemies to gain points. Don’t let the dreaded Boing Balls or Watchy Games hit the bottom, or you will receive instant death! |Happy birthday PC Engine! October 28th 2017 Check out our new little free birthday present game, and our new mascot, RomRom - Nantettatte Engine! Aetherbyte Updates - 10/15/2016! . com nantettatte-engine-homebrew-download Nov 09, 2017 · Nantettatte Engine is a simple high score based shooting game (shmup game).