The Artefacts lost in the Galaxy

The galaxy has been invaded by extraterrestrial colonies. They exterminated several interplanetary ore extraction stations. To counter the invasion, you must destroy the enemy headquarters on each infected planet ... Action / reflection game in 2D platform of 15 levels per planet, you move inside the station or outside of the planet in a hostile environment. Your objective is to introduce you to the heart of the enemy command and neutralize its leader.