In 2001 a study takes place in Fair Play: Violence, Gender and Race in Video Games, the study reviewed the 70 best selling games of the year and found out that 89% had some kind of violence involved. They also found that nearly half contained serious violence, in 40% violence was necessary to achieve their goals and lastly 17% of the games had violence as the primary focus of the game. According to those statistices 12 of these 72 two games have a primary goal of violence, 29 of them need violence to complete levels or a goal, and 64 of them contain some kind of violence. When this wall of games at Play-n-Trade in Eagle Idaho is used to visualize the percentage of games that are violent, it's easy to see what style of games dominate the market.