Oh, in another level I climbed to the door by using the arrow; I didn't know that was a rope I could climb. :)
Thanks! :)
I am going to modify one of the early levels (before you get the weapons) to require the player to use the rope, so it is more clear. The ideal is you have a choice on the route you take depending on what weapon you have. Also, I have ideals on levels that require different weapons at different times during the level.
My thought process is like this: