Gonzalo Frasca's proposal for videogames that address "critical thinking, education, tolerance, and other trivial issues."
It's "Game Time." Here in section four we see what the dynamics of time and space have to do with the games people play.
Eric Zimmerman whips "four naughty concepts" into disciplinary shape.
Markku Eskelinen reiterates the bounds of ludology.
Narrativists vs. ludologists, material vs. formal constraints: Michael Mateas replies by identifying actors' roles in each division.