I'm actually amazed at how bad the Parachute ending can screw your save. (SotM Spoilers)

Like, dear god. Not only do I have to do the lights in a certain order, or I get softlocked, but you have an autosave when you do each light and if you die to try and reload the save, then you're just screwed, because now you can't leave. The door is shut behind you and there's a gate that blocks you. They better put a patch out immediately, because I am not playing the entire game again.