|Orion invaders have reached our peaceful planet! It is your mission to counter attack and follow them to their lairs in Dimension-X. At your disposal is the cutting-edge hi-tech spacecraft, the X-Avenger, armed with 7 awesome upgradeable weapons and a myriad of secondary weapons! Use this annihilating artillery to blast your enemies and seal forever the vortexes leading to our world. Don't let a single one escape your righteous rage! The future of all humanity is in your hands!