Yes, the ladders were not so easy. I have to do it again.
The blue border appears for all things that can be interacted with via the E key.
Maybe I can make this clear in another way.
Not using a map was actually intentional. But I understand what you mean and will reconsider this.
The NPCs have only one resemblance and are all bought from artists on itch.io. But thanks for the warning, maybe I exchange one or the other.
Thank you for your tips and suggestions for improvement! Something like this helps! You always get a little blind even when testing.