When i first started thinking about character design for anvil, i knew i'd have to take some artistic liberties against the real-life people that the characters are loosely based upon.
flow. what is flow? flow is the pace of a game. it's difficult to describe, but i guess a simple way of looking at it might be the progression of the level of excitement or involvement you provoke in the player.
when you're making a game, the first and most important thing has to be immersion. you can get a biker gang hooked on pony games if they're immersive enough.