All of the Elder Scrolls games.

Elder Scrolls I: Arena (Dosbox) Elder Scrolls II: Daggerfall (Dosbox) Elder Scrolls III: Morrowind (Cider) Elder Scrolls IV: Oblivion (Cider) Elder Scrolls V: Skyrim (Cider)

Just unzip and play.

Tested on Mavericks and Yosemite, but it should work on any Mac OS version.

DON'T STOP SEEDING