As we've discussed here before, electronic games have a fascinating relationship to “player characters,” with a number of evolutionary paths developing ever since players were first asked to identity as the captain of a spaceship, the spaceship itself, or a nondescript adventurer about to descend into a colossal cave. The only thing that defined characters was their role within the game and the means through which the player interacted to fulfill that role. Anything beyond that was, to borrow a phrase, an exercise for the player’s imagination. It's easy to assume that most people approached these stories as shapes to move around a screen or math problems to systematically solved, but there's also no reason not to think players might have filled out these scenarios with elaborate backstories of their own or (in the case of Star Trek ) connecting them to an established setting, characters, and storyline. Either way, creators had little to work with, given their limitations b...