olgeezer, if you are having technical issues please post in Glitches. Our tech gurus will bwe happy to help.

Ana

ctrl lowers you & shift takes you back. You need to be in movement mode (space bar)
also all your keys are in the help section

Isn't it strange that great minds think alike(lol), Under A Killing Moon is now and probaby will always be my favorite game.

there is no puzzle piece missing, you probably have one piece on top of another

okay I see you have found it already