So now, you might have a vague idea about what kind of game you might want to design. If you don't, that is fine for now. This is where we will begin to craft what is known as the Game Design Document (GDD). The point of a GDD is to provide everyone within the game development team with a go-to guide for the game's overall design.
Things that you will want to include in your GDD are the following:
Game overview: What is your game about? Think of it like a more detailed elevator pitch. Someone reading this must be able to get a good understanding of what your game is about and what the player will do. Overall, this will be about 1-2 pages in length. In this section, you will want to also state your aim, objectives, and the outcomes of your gamified application.
Core game description: What is your game in more detail? You can take each point from the overview and elaborate on it in more detail. For instance, your aim is to rescue a princess from the Castle of...