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D20 System

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d20-system

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D20 Modern Classes The Strong Hero

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Zachary - D20 System Failed Youth (Official Video)

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The Making of d20 Modern - Trailer

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How to "roll" a d20

The d20 System is a role-playing game system published in 2000 by Wizards of the Coast originally developed for the third edition of Dungeons & Dragons. The system is named after the 20-sided dice which are central to the core mechanics of many actions in the game.
    • Mechanics 

    • History 

    • Trademark license 

    • Criticisms