While canceled games are routine for the console and handheld space, it's an unusual occurrence on iPhone. No sooner is an iPhone game is announced than it's trotting onto the App Store.
Rare is the case when a developer signposts work on a big game far ahead of release. Rarer still do months go by without so much as a peep from a developer.
That's precisely what has happened with the following games. After being announced, each quietly slipped off the radar. In some cases, it's a simple matter of unexpected delay. For others, however, the news is bad.