No game developer wants to spend months or years on something that will ultimately only sell 100 copies. Even though luck is an important part of game development, prior research can significantly improve your chances.
Video Game Insights has a free tool called Steam Analytics. It is a great way to do some research in minutes and see if a video game idea has any potential.
This article provides a step-by-step guide to choosing which game to make next and walks through exactly how Video Game Insights can be used.