The D20 System Trademark License

2003 · Non-Game Book (but RPG Related)

The D20 System Trademark License

A formal license that allows third-party publishers to produce compatible products using specified trademarks, logos, and copyrighted material. Use is non-transferable and subject to the conditions set out in the license and accompanying guide.

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.