Embark on an epic adventure in the pixelated 2D world of "Nihilsearch" on a lifeless mechanical planet. Explore dark underground complexes, battle hostile machines and life forms, and meet diverse humans, life forms, and machines. Discover the meaning of life and create your own adventure!

The background is set in the far future with the development of mechanical network and biotechnology. With the development of science and technology, human civilization has been expanded unprecedentedly. However, it seems that at a certain point in time, something unexpected happened, which led to the destruction of human beings. Under this doomsday, what is Neo looking for? Is there any hope to save the future belonging to mankind.