I basically never stop thinking about this.

We are going to gamify Nostrocket and Yondar. I am figuring out how to build mixed-reality games on the #cyberspace meta-protocol. Gamification is a way to unlock human potential and productivity, as well as making experiences more rewarding.

https://yukaichou.com/gamification-examples/octalysis-complete-gamification-framework/ has incredible insight into how to design gamification that rewards effort without being addictive or evil.