A single-player or multiplayer role-playing game to prevent a global catastrophe.
When a mysterious anomaly appeared at the centre of the Earth, the Substratum Protocol was put in place.
The best scientists on the planet were brought together at the emergency-built Rift Observatory, where a crucial mission was coordinated: the Substratum Expedition.
Find clues, understand what's going on, survive your descent to the centre of the Earth and avert the Apocalypse.
The fate of the world is in your hands.
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