Tokyo. 1979. When a massive, mysterious structure suddenly rises from the ground, the government sends a team to investigate. You have been selected to join an elite group of underground explorers employed by Cassandra Company. Unfortunately, you are not the only one searching these caverns. Terrifying monsters lurk in the shadows. Dangerous criminals hunt for resources. Large numbers of people are missing.
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The test of your survival skills begins now: A new generation of explorer’s flock to the colossal superstructure, Yomi, in hopes of striking the "mother lode".
Cut through the walls and create your own path as you battle for your life in the depths of Yomi.
The ultimate test for survival is found in the labyrinth. Terrifying monsters lurk in the shadows. Criminals with mysterious powers are out to thwart your efforts.
