5,3/10 2007 Sourcebook (rules/options to enhance play) Attribute/Stat Based (STR, CON, PER, etc) Class Based (Pilot, Wizard, Scientist, etc) Dice (Primarily d20) Dice (Various) Point Based (allocate points to get skills, powers, etc) Race Based (Player Race/Species affects gameplay) Skill Based (buy or gain skills) Trait / Aspect Based (personality affects gameplay) Daniel Simon Richter Frank Parting Heike Kamaris Jörg Raddatz