Currently, there are a lot different online games. From the perspective of the players – games were created for entertainment, but in terms of game developers – games were created for getting profit. The aim of this study is to identify factors which cause players to make in-game purchases of “nonprofit” goods in online games. It is important for game developers, since it will help them to increase their profit by providing to the customers (players) exactly what players want. For this study qualitative research design will be used since this method will help to hear opinions of players. Outcomes will be useful for game developers and help them to understand what is good and what is not good in their in-game markets.