Lumpy Space is a cloud-like cityscape in space and is the home of the Lumpy Space People. The portal to enter Lumpy Space is located in the Cotton Candy Forest, inside of a frog sitting on a mushroom and requires a password. In Volume 5 of the Adventure Time comics, the password is revealed to be how many beans you have eaten in the past year. A portal is seen in the frog's mouth, and the ones entering are "eaten" by the frog and pulled into Lumpy Space. The frog questioned Lumpy Space Princess about "non-lumpers" entering. It is hinted that there are other entrances to Lumpy Space. Lumpy Space Princess is part of the royal family of Lumpy Space. In Lumpy Space, non-lumpy people are referred to as "smooth," "non-lumpers," or "smoothies."
- Just like the show, you need to find frog in order to enter the Lumpy Space. However, there is no password required to enter.