The Ruins is the third world from Donkey Kong Country Returns and Donkey Kong Country Returns 3D. It is infested by the Tiki Tak Tribe and located on Donkey Kong Island. As the title states, the level takes places at an ancient ruins. Some new elements introduced here are collapsing platforms, buttons and switches. New enemies such as Tiki Tanks, Tiki Bombers, Stilts, and Toothberries make their appearance here.
Stu is the boss of this world.
From the world map, the Ruins has a similar appearance to the jungle, with grass and some plants surrounding the level paths. The world's theme appears to be inspired from the Mayans, and appears to have once hosted an ancient civilization. It has crumbling temples, ancient statues, and mines. The landmass is divided by a river flowing down from a tunnel. A large gong depicting the world boss, Stu, appears at the end of the world. When Donkey Kong and Diddy defeat Stu, the gong is cracked, and a DK flag appears where the crack is, in the center.
Many areas within the Ruins are fragile and dilapidated, and some of the ground even crumbles when the Kongs move across it. Many small rivers and streams run through the Ruins, especially in its abandoned waterways.
The following is extra content that can be unlocked in the Ruins. The unlockables can be seen in their respective galleries after selecting the "EXTRAS" option in a file's menu. For a full list of extras in the game, see here.
Images are unlocked by collecting all Puzzle Pieces in certain levels. All images that can be unlocked in the Ruins are listed below, along with their titles and the levels wherein they can be unlocked (mentioned in parentheses).
A soundtrack selection for this world can be unlocked after beating Stu.