This is an underground sandbox adventure game. Here, you have to survive alone, fighting against bizarre forms of primitive and mutant organisms.

you need to delve into the maze like underground network, collect resources and technological blueprints.

You can build underground fortresses, plant crops, raise animals, and build ecosystems. piloting mecha for exploration, come and uncover the secrets beneath the planet.

The average update cycle of the game is two months, and this game has no DLC. All subsequent updates will be directly integrated into the game itself.

The first two updates will add more animals, plants, and props, and later water sources or fishing systems will be added.

Sales reaching 1000 copies will update the power system, and up to 5000 copies will update the new map of underground rivers (new vehicles, new enemies, new plants).