At DICE 2008, Blizzard had some talk about their games and in there, they showed an interesting list with a couple of “new” artworks for some of their cancelled projects. As Kotaku has wrote about:
“The team also revealed a list of the Blizzard games that have been canceled over the course of their 17 years, a list longer than you may think. If you thought Blizzard was only focused on StarCraft, Warcraft and Diablo, think again. While they may have a few lesser known titles like Blackthorne and The Lost Vikings on their resumes, they were at one point working on all of the following