Pillars of Eternity is a role-playing video game developed by Obsidian Entertainment and published by Paradox Interactive. It was released for Microsoft Windows, OS X, and Linux on March 26, 2015. The game is a spiritual successor to the Baldur's Gate and Icewind Dale series, along with Planescape: Torment. Obsidian started a crowdfunding campaign on Kickstarter for it in September 2012. The campaign raised over US$4 million, which was the highest funded video game at the time. The game uses the Unity engine.