This document discusses targeting specific market segments in video game development. It recommends thoroughly researching the target market through focus groups and consumer research to understand their abilities, preferences, and desires. This includes considering the market's reading level, cognitive abilities, learning style, and physical abilities to ensure the game is accessible. Targeting a niche market can increase sales but may decrease mass market appeal. Overall, developers must determine if targeting a segment is worthwhile versus aiming for the broader mass market.