Hi! I found the end of the demo, but I'm not sure what choices you made throughout the game, or if this is the only ending of the game. Well, these are the links that I clicked to get to the end:
2. Stand up and look around
3. Pull it! (lever)
4. The Second Box
5. Find any other levers to pull
6. Try to escape
Generally, you shouldn't comment on an Unpublished game, unless it already has comments on it, like this one.
But because it is Unpublished, the author may be working on it and has accidently or intentionally messed it up somehow to make it un-finishable.
This isn't a concern though, until the game (if ever) is once again published.