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.

Can You See Them? is a tabletop roleplaying game scenario designed for the Horror RPG (Year Zero Engine), but can be played using any tabletop roleplaying game ruleset you prefer.