2003 · Kaynak kitap (oyunu geliştirmek için kurallar/seçenekler)

Blood and Space

A d20 space-adventure sourcebook covering starship construction, crews, combat, and exploration. It adds new core and prestige classes, space-themed skills and feats, personal equipment, trading rules, and systems for building ships and bases with different hulls, drives, defenses, weapons, and facilities. Crew rules track quality, actions, and advancement, while strategic combat includes hazards such as black holes, asteroids, and planets. Ten illustrated, ready-to-use ships are also provided.