%% date:: [[2022-10-13]] Parent:: [[Tabletop Roleplaying Games|TTRPG]] %% # [[TTRPG system families]] Some [[Tabletop Roleplaying Games|TTRPG]]s are created in the vein of other games that have come before it, spurred on by the proliferation of the [[Open Game License]]. These are some notable groups that I've noticed. - [[Old School Revival]]: systems based on [[Dungeons & Dragons|OD&D]] and [[Basic Expert D&D]] emphasising grit and hero frailty - [[Powered by the Apocalypse]] - [site](http://apocalypse-world.com/pbta/policy): systems based on [[Apocalypse World]] - [[Modiphius 2d20]] - [[Mörk Borg]] - [[Year Zero engine]]