Stuck in Development Hell: Games that spent a lot longer then they should being made

Development hell, the name given to project that had been stuck in development with little to no progress for far to long. Lets take a look at some games that were finally saved from the quaqmire that is development hell and how that impacted the final release. Also somewhere in there is a game that has yet to be saved and still languishes somewhere out there in the ether. Will we ever see it? Who knows...