Dungeons & Dragons Online: Stormreach (abbreviate as "DDO") is a massively multiplayer online role-playing game (MMORPG) developed by Turbine, Inc. Turbine has developed DDO as an online adaptation of Dungeons & Dragons (abbreviated as D&D). DDO is based loosely on the D&D 3.5 Ruleset and set in the Eberron campaign setting.