Our friends at Atarimania.com have informed us of a recent discovery of an unreleased text adventure for the Atari called The Connoiseur. A game that was intended for release by Synapse Software in 1984.
The game was archived by the National Videogame Museum, and added into the atarimania archives in August 2023. You can find more details and a download here:
Additionally, we were informed of prototypes that were preserved thanks to John Hardie, with a number of titles: