Games
One of the items on my bucket list can be checked off. I've authored an Infocom-like text adventure.
Mystery at the Monastery
I don't have a mac, so I can't test, but a friend told me:
Mac People can go here...download this and then drag your book/game into the app window https://github.com/angstsmurf/spatterlight/releases/tag/v0.7.7