Thanks for playing!
The final fight is unfair on purpose. It spits you out into the Roundabout start, which allows you to go all the way back. I have no idea what am I doing wrong and how to make it more clear. If you still want to finish the game, it's a short segment, so you just have to head left after losing the fight.
Trying to condense interactive parts into the same pages like the med kit is a good advice. I will try to fit things like that in. Elevator needs a panel graphic to make it clear what it's supposed to be.
Was there no background music at all? I did make it quiet to not get in the way of reading, but should still be audible.