Thanks for playing! Looks like I introduced a game breaking bug in the dying hours of the jam - as you said, shame!
Viewing post in Isolation Island jam comments
I talked to the gamejam hosts and I was told I’m free to link to a patched version of the game. If you want to play further it is available here:
Fixed version available at: https://billbobphil.itch.io/isolation-island-fixed