The following are potential unique selling points:
- International leaderboard with which players worldwide can compete to get their name on the top of the list
- The most challenging racing game on the market
- The game can be played on any device, from mobile to PC
Unique selling points are good to have in a GDD if you work with a publisher. It showcases that you have a vision of the final product and how you will market it. Take note that the examples above are placeholders and not conclusive.