The demo is about 7,600 words and takes you through the first chapter. Once you've complete the demo you unlock the demo content which includes stats of your game as well as a Survey.
The demo ends just at the start of Chapter 2, if you don't become a stain on the wall...
More details found at the Original Post
Added Questions:
What did you like about the demo?
What could be improved on?
Were you able to finish the demo?
Did you complete chapter 1? (No spoilers)
Did you come across any bugs or errors that caused Renpy to crash?
Is there anything you would change or modify?
Would have you preferred a longer demo?
If you happened to find spelling/grammar issues please pm me with suggestions. ^_^ I'm only human and am thankful to know.