Talkie talkie projects
Talkie Talkie Projects are roguelike games which have been talked about to the point where they develop a well known life onto their own. However, no actual release of a functional game has occurred, so only time can determine if there is substance behind the words.
It is a perfectly acceptable development strategy to not release anything until one has a stable game. However, one should keep in mind that talking about a game doesn't get it written.
This list is alphabetical.