The iPhone has become a gold mine for those who create games for the iPhone . Steve Demeter developed the popular puzzle game ` ` Trism '' in his spare time . It can take dozens of professional developers and millions of dollars to create a video game for a traditional console such as a PlayStation or an Xbox . ` ` Trism '' earned over $ 250,000 in 18 months , forcing him to quit his bank job . The App Store has helped open the game - development market to entrepreneurs .
The iPhone has become a gold mine for those who create games for the iPhone . Steve Demeter developed the popular puzzle game ` ` Trism '' in his spare time . ` ` Trism '' earned over $ 250,000 in 18 months , forcing him to quit his bank job . The App Store has helped open the game - development market to entrepreneurs .