Dragon Quest X, also known as Dragon Quest X Online, is a massively multiplayer online role-playing game (MMORPG) developed and published by Square Enix. It is the tenth mainline entry in the Dragon Quest series. It was originally released for the Wii in 2012, and was later ported to the Wii U, Windows, PlayStation 4, Nintendo Switch, Android, iOS, and Nintendo 3DS, all of which support cross-platform play. Other than a discontinued Windows version in Chinese, the game was not localized outside of Japan.