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?

A tabletop roleplaying game of subterranean fantasy, horror, and exploration.

The amazing Invisible Sun Black Cube—one of the most astonishing and sought-after RPGs ever—is coming back into print!