The Legend of Zelda: Ocarina of Time (Japanese: ゼルダの伝説時のオカリナ) is a classic action-adventure game released for the Nintendo 64 in 1998. Developed by Nintendo EAD and published by Nintendo, it is the fifth installment in the Legend of Zelda series. Players take control of the protagonist Link, who travels through time to save Hyrule from the evil Ganondorf. The game is set in an open world with dungeons, puzzles, and items to collect. The game's main feature is its use of the Ocarina of Time, a magical instrument that allows Link to manipulate time and space. Link can use the Ocarina to travel between the past and the future, and to access new areas. The game also features a variety of weapons and items, such as the Master Sword and the Hookshot, which Link can use to defeat enemies and solve puzzles. The game received critical acclaim upon its release and is often cited as one of the greatest video games of all time. It has sold over 7 million copies worldwide, making it the best-selling game for the Nintendo 64. It was also re-released for the GameCube in 2003, with improved graphics and sound.