Silver Age Sentinels: The Ultimate D20 Superhero Role-Playing Game
Action / Adventure (Superheroes) Modern
Attribute/Stat Based (STR, CON, PER, etc) Dice (Various) Point Based (allocate points to get skills, powers, etc) Progression Tree (Skills, professions, magic abilities, etc.) Skill Based (buy or gain skills)
The d20 Edition of Silver Age Sentinels: The Superhero Role-Playing Game
The core book included a complete alternate history involving a superteam called The Guard and their adversaries.
