We made a platformer where you play as a jellyfish who evolves overtime. You can age to the next evolution to unlock a new set of mobility skills and there a persistent upgrade shop where you can upgrade between runs!

https://ldjam.com/events/ludum-dare/50/majellan

Happy to help rate your game if you leave it in the comments. Good luck everyone, excited to see more takes on this theme Delay the Inevitable!