Adventure Time: Explore the Dungeon Because I Don't Know! is a dungeon crawler for the Wii U and 3DS developed by WayForward Technologies with the help of Pendleton Ward. The game was first announced of May 14, 2013 on many gaming websites. The Wii U version includes a four-player cooperative multiplayer.
The players can choose one of the following characters; Finn the Human, Jake the Dog, Marceline, Cinnamon Bun, Ice King, Flame Princess, Lumpy Space Princess and Lemongrab. Each character has a special attack with different effects. The game is an isometric hack and slash dungeon crawler with the goal of exploring the dungeon and collecting treasure. Treasure can be used to upgrade stats, interact with various side characters and purchase items.. The players have these stats, Thumps, Rowdiness, Focus and Imagination
The game begins with Princess Bubblegum having Finn and Jake investigate the large Secret Royal Dungeon that lies below the Land of Ooo. A string of various crimes have plagued her kingdom and she thinks they may have escaped from the dungeon. As the game progresses several characters are unlocked and become playable characters through various situations like the Ice King.