MacPlay (http://www.macplay.com) has made Pillars of Eternity 1.0.1, their role-playing game for OS X, available at the Mac App Store for US$44.99. It requires Mac OS X 10.6.3 or higher.
Here’s how the game is described: “Pillars of Eternity is an RPG inspired by classic titles such as Baldur’s Gate, Icewind Dale, and Planescape: Torment, featuring an original world and game system that evokes and improves upon the traditional computer RPG experience. Funded via Kickstarter in late 2012, raising $4.5 million through both backer pledges on Kickstarter and Obsidian’s own website, Pillars of Eternity provides RPG fans with a unique experience, driven by classic aesthetics, modern design, and a deep, engaging world for players to explore.”