Its an imperfect solution for sure but i can't think of a better method. While it does work better on more established jams like ludum dare where you have a well-balanced karma system and the rescue group thing, I still think its good how it requires you to give back to the community. Definitely could be better tho, and it turns out you still get a rank if you're too low, you just cant come first place which isnt too bad ig. We're both rlly happy with our results :)