It initially received mixed reviews, but these improved significantly with the re-release and rebranding as The Elder Scrolls Online: Tamriel Unlimited, with critics praising the changes that were made. It had been in development for seven years before its release in 2014. The game is set in the continent of Tamriel and features a storyline indirectly connected with the other games in the Elder Scrolls franchise. It is a part of the Elder Scrolls series. It was released for Microsoft Windows and OS X in April 2014. The Elder Scrolls Online, abbreviated ESO, is a massively multiplayer online role-playing game (MMORPG) developed by ZeniMax Online Studios and published by Bethesda Softworks. Massively multiplayer online role-playing