You'll notice that I mentioned in-app purchases earlier, and different ways of selling or making money from games. The race to the bottom has led to many developers taking a different approach to profiting from their games. We'll take a look at three models that you can use to make some money from your games.
The freemium model provides the game to the player for free, and instead makes money by selling functionality or content inside the game itself. This has become a popular model because it allows players to try the game and sell the game in parts, or even sell the game for a combined value that is much higher than the game is worth. To accomplish this in Windows 8, you would have to set the price of your game to Free, and then use in-app purchases to unlock content for the player to use.
This model is great if you have a lot of modular content within a single game experience that can be sold separately, such as levels or episodes. You may also elect...