All the princesses of the Nameless Kingdom have been kidnapped. Princess Bubblegum sends you, Finn, along with Jake to rescue them and decide which princess will commands the Nameless inhabitants in the Land of Ooo.

Adventure Time: The Secret Of The Nameless Kingdom is a top-down role-playing adventure game, reminiscent of The Legend of Zelda: A Link to the Past. Much like the Zelda games, your primary weapon is a sword and you primary defense is a shield. Instead of jars to store items in, you get plastic bags. Your sword can be upgraded within the game and you can acquire bombs and a ranged weapon to kill enemies as well as a boomerang that can stun enemies.