First off, you need to define the objective of the sport. Is it about scoring points, reaching a destination, or something else? Then, come up with the movements and actions players can do. Also, consider the teams or individual play format. Add some special features or challenges to make it stand out.
To invent a fictional sport, you could draw inspiration from real-life activities or fantasy concepts. Define the rules clearly, think about how teams or individuals compete, and add some twists to make it stand out.
Overall, the similarities outweigh the differences. The 'de sport fighter z manga' and its anime have the same core story and characters. Some minor changes might be in the animation style or pacing, but nothing major.
One characteristic is their focus on a specific aspect of sports. For example, it could be about a particular game or a player's journey. They are often fast - paced to match the dynamic nature of sports.