The award-winning post-apocalyptic adventure continues in this action-packed, lushly painted blockbuster with an exclusive variant cover by PEACH MOMOKO!

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.