Pricing is a tough subject in game development. How do you put a concrete price on various elements of your hard work? Triple-A games typically stay close to a standard pricing, but when it comes to indie titles (and especially in-game content packs), pricing is entirely up to the developer.
There's no right answer to how much you should charge for your game, but here are a few tips to get you started.
When you're deciding how much it will cost your players to unlock the full game or any new DLC packages, there are a few aspects you should consider. These are complexity, length, and replay value, described as follows:
Complexity: At some level, the work that you put into your game should be reflected in its price. This doesn't necessarily mean front-facing complexity but is more about the time and effort it took to create the game. You can usually sell a three-dimensional game for more than a two-dimensional game, charge more...