Hi! Thanks for the feedback!
That was my intention tbh. I want to give the players a surprise when they clear the first level. After that, it is upto them how far are they willing to go. You can take the normal routes and get the normal endings, but the game rewards you for trying out something different and you can get more interesting endings.
You are right people might miss out on some endings, but again, easter eggs are meant to be secret. You need to think out of the box to find them.
I might upload a walkthrough document/video after the jam for people who might have missed some things and want to get the complete experience.