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.

Create a one-shot adventure or a full campaign for MÖRK BORG and other OSR games with a few dice rolls. Fill the dying lands with NPCs, enemies, and loot.