3025 A.D. Humans divide the Earth into several primitive tribes. Beyond the skies a massive collective of ships known as the Black Startilla, is in a stalemate with the highly advanced Martian Blockchain Republic for not only the right to farm the people of Earth, but also for dominion over all civilized space.

Caught in this interstellar power struggle, you, an irrelevant Earth-tribal, hold the galaxy's destiny in your choices. Navigate through this intense satire, where your decisions ripple across stars and shape the future. Will you bring about a new cosmic order, or perish in humorous obscurity? In 'XE78', every tap unveils a fragment of the future and has the potential to make history.

Inexplicably, the fate of the galaxy falls to your hands.