A techno-magical fantasy tabletop RPG.

The legendary Invisible Sun RPG immerses you in magic that feels truly magical, characters that are deep and memorable, and rich and satisfying campaigns. Now in a re-envisioned presentation, it’s a perfect jumping-in point for this acclaimed RPG.

New adventures from The Magnus Archives creator Jonathan Sims—plus new lore and new options for GMs and players. With a complete corebook FREE with every pledge, it's a great jumping-on point if you're new to the game!

Experience fantascience roleplaying at the end of time. Escape the end of history. The eternal civilization is perfect. So say the gods, the machines. Will you defy the endless circle of awakening and forgetting? Can you kick a hole through the sky?

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.