|World 6 Goomba Canyon (NSFMBTAR)|
|Appearance||New Super Flash Mario Bros. The Adventure Returns|
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In the mountain world, it is based on World 6 from New Super Mario Bros.. The background is the New Super Mario Bros. Wii styled mountain. This world map includes more red, yellow, green, and blue pipes in the mountainous world.
World 6-1 Rocky Mountains
World 6-2 Cliffside Beach
A second and water-themed level with Huckit Crabs and Sidesteppers. This level is similar to World 6-2 in New Super Mario Bros., World 6-5 in New Super Mario Bros. Wii, and Rock-Candy Mines-2 Porcupuffer Falls in New Super Mario Bros. U.
World 6-A Stone Desert
A first secret and desert canyon-themed level Spinies. This level is similar to World 6-A in New Super Mario Bros..
World 6-Tower 1 Lemmy's Pipe Tower
A first tower level with many pipes. The boss is Lemmy Koopa. Lemmy's boss room is filled with many pipes which is similar to #3 Lemmy's Castle in Super Mario World.
World 6-3 Giant Pipe Jungle
A third and jungle-themed level containing with many pipes and Piranha Plants. This level is similar to World 6-3 in New Super Mario Bros..
World 6-4 Monty Mole's Fire Bar Cliffs
World 6-Tower 2 Bowser Jr.'s Pipe Tower
A second tower level with many pipes. The boss is Bowser Jr.. Bowser Jr. had appear to the second castle.
World 6-B Snow Mountains
A second secret and icy mountain-themed level. The level is half-based on and half similar to World 6-B in New Super Mario Bros..
World 6-5 Flooded Pipe Maze
A fifth and watery pipe-themed level with many Piranha Plant enemies. This level is similar to World 7-1 in Super Mario Bros. 3 and World 6-3 in New Super Mario Bros. Wii.
World 6-6 Explosive City
A sixth and mountainous level containing with many Bullet Bills and Bob-ombs. This level is similar to World 6-1 both in New Super Mario Bros. and New Super Mario Bros. Wii and World 7-8 in Super Mario Bros. 3.
World 6-Castle Lemmy's Canyon Castle
- This is the first world to feature two tower levels like World 6 and World 8 from New Super Mario Bros. and Rock Candy Mines from New Super Mario Bros. U.
- Like World 6-3 from New Super Mario Bros. Wii, Goomba Canyon only features a pipe-themed level, World 6-5 Flooded Pipe Maze.