——Story——
Three years after the Evolution Conflict, the Unknowns return with a large invasion. Fortunately, the Earth is already in vigilance after that conflict. With the new department called "Earth Defense Organization" formed, the research power all over the world was combined together. Now, the newly developed fighters and its highly-customizable weaponry are packed. Make your choice and strike back the Unknowns!

——Gameplay——
> Four game modes with two different score systems and different difficulties.
> Choose from multiple different fighters and customize it as your wish in a limited way.
> Integrated simplified aggressive close-range system with exciting and freely controllable power-up system.
> A well-adjusted resource system, in which the resource is limited, but fault tolerance is relatively higher.

——About demo——
> This demo only contains the first two stages.
> The demo version does not represent final quality.
> There are still many bugs in this demo. If you find any, please report to developers via Steam Community or other ways. Then restart the game to continue play.