There are millions of computer games out there on the market, how do you make your game best selling? What features have to be included? I have taken a look on previously best sellers trying to determine what makes a great game.Set the player in focusThe player wants to be in focus in the game, he or she wants to feel that he can control the outcome of the game. It doesn't have to be easy, or it shouldn't. The harder the game is the better the player will feel when he has completed the game and .