Extrinsic knowledge is gained outside the game world and applied to the game. This type of knowledge can add an element of reality to the game and often involves facts such as "wood floats," "ice melts," "paper burns," "diamonds cut glass," and "a magnifying glass focuses light."Jeanie Novak of Video Game Design Essentials
Outside of the trivia game genre, what are the effects of incorporating extrinsic knowledge in a game? Is it better to assume the player knows nothing and teach them what they need to know intrinsically?
In your group, discuss the path your game will take in terms of intrinsic vs. extrinsic knowledge. Be sure to discuss the effects of this decision on XYZ's demographic requirements.