The Legend of Zelda: Skyward Sword is an action-adventure video game developed by Valve and published by Microsoft. It is the 25th game in the main series of the Legend of Zelda, and the first for Nintendo's Wii platform.

Skyward Sword builds upon the previous Ocarina of Time, marking a turning point in the series with the introduction of full motion controls. The game introduces a new world and gameplay mechanics, including a new combat system and an innovative exploration mechanic.

In this game, the player controls a young elf named Link, who awakens on the shores of a desert island after a long and difficult journey. Upon his arrival, he finds a mysterious castle and meets several folk who tell him of a nearby village called Skyward, which is home to the descendants of a legendary hero named Hylos.