The BX Advanced book is over 350 pages of player options and expansions for old school gaming, written for OSE and BX-style games in mind. New classes, spells, a simple skill system, and more.
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?