Nameless Kingdom

The Nameless Kingdom is a place that appears in the game Adventure Time: The Secret Of The Nameless Kingdom, where Finn and Jake set off in a adventure to find the Three Princess (Lullaby Princess, Nightmare Princess and Slumber Princess) that disappeared from the kingdom right before their crowning.

Story
In the game Adventure Time: The Secret Of The Nameless Kingdom, it's revealed that Lullaby Princess, Nightmare Princess and Slumber Princess created the kingdom, Slumber Princess provide the dreams to land's people; [Lullaby Princess]] gave sound to their hearts; and Nightmare Princess brought life from the darkest shadows. However, once their work was completed, the sisters could not determine who should rule the new kingdom. After many years without a set ruler, Princess Bubblegum grew impatient and sent Finn and Jake to aid in the process. When the duo arrives, the three princess are missing and the two go find them. At the end of the game, the adventurers need to choose who will rule the land; if the player choose Lullaby Princess, it's revealed that the whole game was just a music; if the player choose Slumber Princess, BMO wakes up and it's revealed that the game was just a dream; and if the player choose Nightmare Princess, she thanks the two and it cuts to Princess Bubblegum talking with Finn and Jake, where she says that she's happy that them didn't choose Nightmare Princess, because it could be a threat to the Land of Ooo.

Appearance
The Nameless Kingdom is a varied place, with predominating forests. There are "dead" places, with brown grounds and dead trees. There are also 3 dungeons and the main castle where the princesses lives. There are some cave and frozen stretchs too.