Template:D20 system - English Wikipedia @ Freddythechick

v t e d20 System
Role-playing game system originally published by Wizards of the Coast
Main authors	Monte Cook Jonathan Tweet Skip Williams
Games	Dungeons & Dragons d20 Modern d20 Future d20 Apocalypse d20 Past Star Wars Roleplaying Game The Wheel of Time Roleplaying Game
Licensing	System Reference Document Open Game License Game System License
Derived games	13th Age Castles & Crusades Conan: The Roleplaying Game Dungeon Crawl Classics EverQuest RPG Judge Dredd RPG Mutants & Masterminds Pathfinder Spycraft Starfinder Stargate SG-1 True20