Oblivion is an open world action role playing game and the fourth installment of the popular Elder Scrolls series. It was published by Bethesda Softworks and the Take-Two Interactive subsidiary 2K Games for PC, X-box 360 (March 2006) and later PS3 (March 2007 in the US, April 2007 in the EU and Australie). 

The Elder Scrolls: Arena is a role-playing game developed by Bethesda Softworks and released on Microsoft Windows.