“Ludology” is the study of games as rules (or mechanics). Ludologists believe that a game is first and foremost a collection of rules that give rise to the dynamics of play when a player sets the game in motion through an interface of some sort. From this perspective, modern-day games are an extension of ancient games like Go and Chess. Story is not a part of a game, but rather something layered on top, much like Lara Croft and other innumerable narratives are layered on top of the mechanics of third-person shooters. At the core, the third-person shooter rules remain unchanged.
Need to do more reading on game design.
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