When the anomaly appeared at the Earth's core, the Substratum Protocol was initiated. You are the best and brightest scientists we have left, our last hope to stem the apocalypse. You are the Substratum Expedition Team. Descend. Learn. Survive.

Battle your way through the spirit world in ink, a new tabletop roleplaying game from Snowbright Studio. Rejoin the lost souls of departed characters as you travel dangerous waters and treacherous isles.