Power Stars are collectible items found in the Super Mario video game series, particularly in Super Mario 64 and its sequels. They serve as a primary objective for players, who must gather them to unlock new levels and progress through the game. Each Power Star is typically hidden within a level, requiring players to complete various challenges or defeat enemies to obtain them. In addition to unlocking new areas, Power Stars also contribute to the overall completion percentage of the game. Collecting all available Power Stars often leads to special rewards or unlockable content, enhancing the gaming experience for players who strive for 100% completion.