Swamp

The Swamp is an arena shown in the Krypt and Kontent Extras gallery special features of Mortal Kombat: Deadly Alliance, and appeared on the game on Gameboy Advance.

This dank wilderness with mucky waters and the bones of a long dead dinosaur, revealed to be a locale and part of the forgotten realm of Zaterra, Reptile's homeworld which explains the origins of the dinosaur skeleton.