Sunderworld RPG is a hybrid science-fantasy RPG set in the near future. For Windows or Mac OS X
Note: this is an early Alpha and has a long way to go. But it Played OK on a 2008 Mac Pro.A hybrid science-fantasy RPG set in the near future. Sunderworld has the dungeon-crawling hack-and-slash goodness of Diablo and the rewarding puzzle-solving elements of Zelda. This is a work in early Alpha, and needs contributors.
http://sourceforge.net/projects/sunderworld/files/