At the center of the video game experience is the interface. Before a player grabs the first powerup or meets the first obstacle, the would-be-adventurer must accept the limitatio...
Designing videogames involves weaving together systems of rules, called game mechanics, which support and structure compelling player experiences. Thus a significant portion of ga...
The paper describes a further development of the design of a motivational visualization encouraging participation in an online community. The new design overcomes shortcomings in p...