Tokyo 1979 when a massive and mysterious structure suddenly rises from the ground, the government sends a team to investigate, you were selected to join an elite group of underground explorers hired by the Cassandra company but unfortunately, you are not the only one researching these caves.

Terrifying monsters lurk in the shadows and dangerous criminals hunt for resources, a new generation of explorers heading for the colossal Yomi superstructure, hoping to find the "mother vein".

Cut through the walls and create your own path as you fight for your life in the depths of Yomi, the ultimate test of survival is in the maze, the criminals with mysterious powers want to thwart your efforts.



Characteristics:

'You've been recruited into Undernauts, a team of brave underground adventurers who traverse the depths of a massive, monster-infested maze in search of invaluable resources.
- Use your powerful skills and magic items to create exits and reach the surface in life.
- Like a dungeon RPG, the player must dive through many levels of dungeon and move through a grid system to find the right path to continue.
- Players create a 6-person game to fight in battles and raise the level as they progress through the story of the game.
- Use the "Switch Boost" system to defeat hordes of monsters and create magical doors, stairs and bridges to escape.
- Use powerful abilities and magic items to reach the surface in life.