2009 · كتاب مصدر (قواعد/خيارات لتعزيز اللعب)

The Siege Perilous Rulebook

A rules and setting supplement for bringing the first three Ultima computer games to the Swords & Wizardry roleplaying system. It includes character creation, equipment, combat, magic, and arcane and divine spell rules, along with naval combat and space travel and combat.