A downloadable TTRPG

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GD20 is a genre neutral rules-lite table talk roleplaying game that runs on a single d20. It is designed to handle a variety of different genres and settings, with quick setup and little bookkeeping. GD20 assumes that the player is already familiar with TTRPGs, but the rules are reasonably straightforward and should be easy to explain, even to absolute beginners.

"I like GD20  because it seems to be the system that gets the absolute most bang out of each d20 dice roll...I love this for a play by post game, because you can extrapolate a lot of in game fiction from a single dice roll. My experience with play by post is that combat becomes INTERMINABLE very quickly, with GD20 this doesn't need to be the case - with a lot of importance sitting on a single dice roll things can move quicker." - Michael Raston, the Lizard Man Diaries

GD20 by Cosmic Sorcery Society is licensed under the Creative Comrades License Agreement 1.0

GD20 was built with:

24XX by Jason Tocci (CC-BY 4.0)

Drive10 by  R.E. Davis & Matt Bryant (CC-BY-SA 4.0)

Goon City: Troika! By RatGrrrl Games (CCLA 1.0)

GORGON ROT by Scott Malthouse (CC-BY-SA 4.0).

Maze Rats by Ben Milton (CC-BY 4.0)

Tunnel Goons by  Nate Treme (CC 4.0)

GD20 is an independent production by Cosmic Sorcery Society and is not affiliated with any of the aforementioned creators. 

StatusReleased
CategoryPhysical game
Rating
Rated 5.0 out of 5 stars
(5 total ratings)
AuthorCosmic Sorcery Society
TagsCyberpunk, Fantasy, fkr, nsr, One-page, Sci-fi, Tabletop role-playing game

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Click download now to get access to the following files:

GD20 Plain Text.txt 6.6 kB
GD20.pdf 74 kB

Development log