x invaders

The Invaders have returned! After being defeated in 1978 by earths best fighters, they have now amassed a mighty fleet to bring the earth under their heel. The world government has sent you to the earths advance moon base to meet this ultimate threat. Flying the Dire Wolf and armed with the Fang energy pulse cannon, your are the most powerful fighting unit out there. Can you stop wave after wave of this invading horde, or will you let the earth fall to slavery and subjugation?