The limitation of the game remember me this video. The Importance of Keyframes / Run Cycles Very easy to understand even for someone like me who is not good in English. You should have a lot of answer with this short video if you don't understand the limitation of the jam.

I didn't have the time to totally see this other video of the same author but it will maybe useful for some of you. Are There Benefits to the Absence of Animation? he have made a lot of video about animation. Good luck everyone.