The Space Dragon is the boss that appears in the eighth level of Space. It has 4 stages:
It avoids you and shoots a red bullet every second. If you hit it with a bullet, it will charge towards you.
It follows you and shoots an orange bullet every half a second.
Every three seconds, it lets out yellow sparks for one second. Occasionally, it draws near you.
It summons level 2 dragons and 360 defensive dragons.