QuestGuide

There are multiple guides available which show how to create your own scenarios for the board games Descent 2nd Edition and Mansions of Madness 2nd Edition.

Mansions of Madness

Scenario Creation

Mythos Events

(External) MoM Wiki Guide

(External) Scenario Creation Tutorial by @scrubbless (Probably the most complete and updated doc)

Descent Journeys in the Dark

Quest Creation

(External) Quest Editor Guide Video Series by @Quantumrunner

Common

Image Usage

Quota Events

QItem Usage

UI Element Creation