It's okay it's part of life. Now it's time to enjoy the other submission. Go have a look on some of them and have some fun i have already play some cool game on this game jam. And your project can be continue later if you want or just take this as a learning experience.
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By the way, if you got a bit of time i would appreciate to get your feedback on my entry: https://itch.io/jam/kindred-community-jam-6/rate/989211