Award-winning interactive fiction game. More information at http://www.sichris.com/Games/Cuff
Note that the game uses proprietary extensions and will not compile as is. I have made the code available for educational purposes.
"This app has plenty of charm: a text-adventure murder-mystery inspired by Hercule Poirot." - The Guardian
"This is a great text-based puzzle game. It’s an interesting story with twists and turns that hold your attention." - AppAdvice
"Playing the game feels like you are reading a crime novel which you are also simultaneously writing." - TheAppleGoogle
Winner, Best Individual PC - 2010 XYZZY Awards