Are you an aspiring Dungeon or Game Master? Have you ever wondered how to set up challenges using the d20 system? Would you like a better understanding of how to tune different scenarios and situations that have to be resolved through the mechanic of Difficulty Checks (DCs)? Then this might be the primer for you…

The below video serves as an excellent introduction to the various types of d20 checks that one might encounter when playing Dungeons and Dragons, or a multitude of other games that rely on the d20 system for the resolution of skills, circumstances, and other challenges that player characters might find themselves in. And while this video speaks specifically to the d20 system, much of the underlying explanation can be easily transferred to other games which utilize different methods of randomly generated numbers that in turn leads to problem resolutions.