I have played and built primarily class based systems. I grew up playing various incarnations of d20, most notably Dungeons and Dragons, always eager to try out some different class that I hadn’t played before, some occupation or career or appellation that bestowed new mechanical advantages. I reveled in it and I didn’t think that RPGs had any other option. Yet, as I grew older and my exposure to various systems increased, I discovered that a large number of classless systems were in print and in play, even amongst some of my friend’s tables.
The enormous advantage of a class-based system, or one that categorizes characters into easy to describe chunks and skillsets, is that it is very easy to organize and to delineate roles. Having roles in a party is a relatively old concept, one which...