In a game, it's sometimes difficult to tell if code is worknig or not. I've seen bugs in games that turned out to be interesting features (e.g., arithmetic ove

In a game, it's sometimes difficult to tell if code is worknig or not. I've seen bugs in games that turned out to be interesting features (e.g., arithmetic overflow in Robotron caused an enemy to zoom to the opposite side of the screen from the player, pummeling the player from "over there". The designers kept that bug in the game, it made it better).