7. Different types of diversity. Participants in training groups are becoming much more diverse than ever before. Training takes every effort to cater to ethnic, cultural, gender, generational, and learning-style differences. Playing games is one approach that accommodates differences among participants, especially their learning-style differences.

8. Different types of game players. According to Richard Bartle, four types of players want different things from games. Achievers want to earn high scores and win. Explorers want to find out as much as possible about the game environment. Socializers want to establish relationships with other players. Killers want to defeat the others. It is possible for the same game to meet different needs.