If you climb into a 1 tile gap you get softlocked. Also the leap at the very end feels a bit unfair. Good level design otherwise, I like that you can choose your route.
I should add that the Linux build does not seem to work, I think it needs additional files to run? Since you are using Godot it probably also would have been a good idea to export a web build.
Thanks for letting me know. I haven't exported a game before, so I've had some issues; I got an HTML version exported, but it didn't work for some reason? I'll try to get both working today.