Crazy Cart is the sixth level in Donkey Kong Country Returns and Donkey Kong Country Returns 3D, as well as the sixth level in the Jungle world. This level's musical theme is a remix of Mine Cart Madness from Donkey Kong Country.
This is the first minecart level in the game, and it takes place in an underground mine shaft and in the jungle. As both Donkey Kong and Diddy Kong travel in their minecarts, they are attacked by Mole Miners in different minecarts, some of which can be jumped on to reach collectibles. Later in the level, the Kongs exit the mines and ride across a bridge above the jungle, where they meet Tiki Torches and more moles, who begin to ride towards them. Bramble also appears in this level. Additionally, the end of the level features a giant hill with a ramp on the end of it, causing the primates to shoot through the air.
In the Time Attack mode of the game, a time of 1:46:00 is needed to get a gold medal, a time of 1:58:00 for silver, and a time of 2:21:00 for bronze.
The level starts out with a pathway through the jungle leading to three Frogoons and a raised piece of land with a DK Barrel on it. Nearby are some plants that give items when blown or pounded on, as well as a large switch. If this is pounded into the ground, many platforms begin to fall form the sky. The stone walls supporting the platforms build together like a puzzle, making the platforms completely solid. The primates can climb up these to reach a high ledge with the entrance to a mine area on it. Inside the mines, the Kongs can find a room that is almost empty, with only a single lamp in it. However, if they pound on the wooden boards on the ground, they can access a lower area, where they roll down a hill and reach a Barrel Cannon. The cannon shoots them into a minecart, which begins to move as soon as it is entered.
The carts leads the heroes to some bananas, and later, three moles in separate minecarts. The last mole has the letter K just above its head. After passing a small gap, the primates come up to a mole that rides into another gap in which they must cross. A third abyss is just ahead, and another mole rides right into it. A Banana Coin is right above this gap, and some bananas and Banana Bunches are farther ahead around a flying Tiki. After another flying Tiki and a Banana Coin is a mole in a minecart. Slightly ahead of it is a second track that the Kongs can jump up to. This rail takes the primates down a small hill, with has the letter O just above it. Farther ahead are some flying bananas. After the Kongs ride under some bramble, they come up to a rather small gap and travel closer to the foreground. The camera is closer to the Kongs, making it harder to see what is ahead. Bananas, Banana Bunches, and other collectibles are in this area, and the camera scrolls away from the heroes just as they pass the Tutorial Pig with the checkpoint.
Some enemies are ahead of this point, including a Tiki Torch and a mole. The Kongs soon come up to an area where a separate track is raised above the normal one. While the higher rails are harder to reach, they lead to an Extra Life Balloon. Tiki Torches and flying Tikis are placed between the gaps in this area. Eventually, the primates ride down a long hill and come up to a track placed just above the one they are on. At the end of this track is the letter N. The new track leads outside of the mines, where the Kongs ride high above the jungle canopy. Tiki Torches stand in the heroes' ways as they travel outside, as well as a few mole enemies. Soon after this, the Kongs encounter some moving Tiki Torches and a few gaps, one of which that has three Banana Bunches above it. More gaps and some small sections of the track are farther ahead if this, along with some flying Tikis. At the end of the rails is the letter G. The Kongs must jump off of the track to reach a pathway in the jungle that they can ride down. The pathway takes them down to a large hill with a ramp on the end of it. The ramp sends the Kongs on a new track if they jump high enough; if not, they land on the jungle floor where they can run into a wall if they do not jump back on the track above them fast enough. After a small gap, the Kongs reach a bumpy area of the track. They fall out of the minecart when they hit these bumps, causing them to land near a Slot Machine Barrel. The level is completed when the barrel is hit.
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