d20 Modern System Reference Document

2003 · Core Rules (min needed to play)

d20 Modern System Reference Document

An open reference document for the d20 Modern roleplaying system, providing rules and game content for contemporary adventure settings. It is organized by topic and supports the creation of compatible third-party supplements and independent roleplaying games. The material was originally distributed as separate files or grouped archives, with licensing documents and introductory guides provided separately.

Skill Based (buy or gain skills)Attribute/Stat Based (STR, CON, PER, etc)Level Based (Earn XP and level up)

Game facts (players, playing time, age, credits) from BoardGameGeek.