Progressive UFO is a boss who debuts in the level at-rich (stage 4-3)
The progressive UFO is supposed to look alot like the regular UFO but split in 5 parts. 1 shoots beams. 2 Shoots Lazers and the other 2 will be thrown at you.
- This is the third unexpected UFO to appear in the game. The last 2 were gigantic UFO and then the saturo UFO