Crystal Sewers

Crystal Sewers
Game(s)	Newer Super Mario Bros. DS
World number	1
Levels	9
Bosses	Bowser Jr. Mega Goomba
Game Progression
Previous world	(1) Goldleaf Plains
Next world	(3) Dorrie's Island (5) Moonview Glacier (secret)

Crystal Sewers is the second world in Newer Super Mario Bros. DS. It is a damp purple cavern full of Warp Pipes. It is represented by a Piranha Plant in a Warp Pipe.

Its tower boss is Bowser Jr. and its airship boss is Mega Goomba.

Overview

Crystal Sewers takes place in a purple cavern underground with crystals and multicolored Warp Pipes heavily inspired by Crystal Caves and partly Soggy Sewers from Newer Super Mario Bros. Wii. Used Blocks, Brick Blocks, and some ? Switches are also scattered across the world. Some blue presumably sewer Water flows beside. Crystal Sewers is notable for introducing the Hammer Suit.

Crystal Sewers can only be accessed through completing Leafpile Castle in Goldleaf Plains. Completion of Flameburst Flotilla grants access to Sandy Shore, or Unagi Borough if the player buys a Star Coin Sign, in Dorrie's Island. Completion of Hydroskip Drain's secret exit grants access to World 2-, leading to Snowfield Plateau in Moonview Glacier.

Levels

Level number	Level name	Preview	Description
2-1	Crystalswoop Grotto		A crystal cave with full of Swoops and Buzzy Beetles. This level introduces the Hammer Suit.
2-2	Pipebreak Cave		It's a tricky rundown Warp Pipe-filled cavern.
2-3	Switching Sewer		A sewer-themed maze-like level focused on switches.
2-A	Hydroskip Drain		An underground Mini Mushroom-themed level focused on the fact that the player can walk on water.
2-4	Wagon Way		The first of two Minecart levels. It takes place in some sort of an abandoned mineshaft.
2-	Fliptube Tower		A sewer-like tower where the walls wrap around the player. Bowser Jr. is fought here.
2-5	Tightrope Ravine		An athletic tightrope-focused level taking place outside the cave.
2-6	Gushing Culvert		An underwater level full of air currents and Cheep Cheeps.
2-	Flameburst Flotilla		An airship over the caverns featuring many Bob-ombs and Bullet Bills. Mega Goomba is fought for the only time here.

Other Buildings

Level number	Level name	Preview	Description
2-	World 2-		The Warp Cannon of Crystal Sewers which leads to Moonview Glacier. It is accessible after completing Hydroskip Drain's secret exit.

Characters	Protagonists	Mario • Luigi • Princess Peach
	Antagonists	Bowser • Bowser Jr.
Worlds	Goldleaf Plains	Everbrown Meadow • Chopwood Cavern • Snailicorn Grove • Ropeblast Tower • Wiggler Woods • Unsteady Gorge • Goldbush Pond • Leafpile Castle
	Crystal Sewers	Crystalswoop Grotto • Pipebreak Cave • Switching Sewer • Hydroskip Drain • Wagon Way • Fliptube Tower • Tightrope Ravine • Gushing Culvert • Flameburst Flotilla
	Dorrie's Island	Sandy Shore • Unagi Borough • Palmthorn Beach • Dorrie Den • Skeeter Coast • Hivetree Tower • Honeycomb Thicket • The House of Blocks • Overgrown Armoury
	Pumpkin Boneyard	Pumpkin Thornhill • Broozer Sward • Ectoplasm Hollow • Spiritful Steeple • Bone Marrow Road • Flimsy Gulch • The House of Doors • Arachnid Charnel • Grimoire Grounds • Derelict Schooner
	Moonview Glacier	Snowfield Plateau • Blizzard Bluffs • Everfrost Hole • Icecrack Citadel • Snowstorm Ridge • Precarious Byway • Candelabrum Cavern • The House of Stairs • Icesmolder Lake • Freezeflame Fortress
	Lunar Realm	Highhop Pass • Asteroid Valley • Mt. Skydrop • Shockbelt Spire • Meteor Lane • Napalm Nebula • Runbow Road • Sledge Summits • Shape Zone • Freeleap Galaxy • Thornspire Doomship
	Cirrus Heavens	Lavender Skybridge • The House of Bogus • Muncher Romp • Tipsaw Trench • Skewerspring Tower • Cloudbolt Chasm • Gigantic Gardens • Gusty Gap • Spiny Swings • Ballistic Breach • Stormeye Stronghold
	Koopa Country	Boomblast Badlands • Sandstream Tunnel • Lavalit Tower • Wicked Gale Vale • Skyglare Dryland • Ironclad Battalion • Basalt Bay • Bombkey Banks • Slitherthorn Grotto • Firehoop Inferno • Magmatrack Getaway • Bowser's Castle
	Cannons	World 1- • World 2- • World 3- • World 4- • World 5-
	Unused Levels	Springstep Chasm • Unused Graveyard Level
Enemies	Enemies	Amp • Angry Moon • Angry Sun • Balloon Boo • Banzai Bill • Big Buzzy Beetle • Big Dry Bones • Big Goomba • Big Koopa Troopa • Big Muncher • Big Piranha Plant • Big Spiny • Big Whomp • Bob-omb • Bomb Spike • Boo • Broozer • Bullet Bill • Buzzy Beetle • Chain Chomp • Cloudoboo • Crowber • Dry Bones • Fire Bro • Fly Guy • Goomba • Hammer Bro • Ice Pokey • Koopa Paratroopa • Koopa Troopa • Micro-goomba • Muncher • Paragoomba • Piranha Plant • Podoboo • Scuttlebug • Shy Guy • Skeeter • Snailicorn • Snow Spike • Spike Bass • Spiny • Thunder Cloud • Venus Fire Trap • Whomp
	Obstacles
	Bosses	Bowser Jr. (Towers, Bowser's Castle) • Bowser (Leafpile Castle, Bowser's Castle) • Mega Goomba (Flameburst Flotilla) • Cheepskipper (Overgrown Armoury) • Dry Bowser (Derelict Schooner) • King Boo (The House of Stairs) • Snowipokey (Freezeflame Fortress) • Petey Piranha (Thornspire Doomship) • Lakithunder (Stormeye Stronghold) • Monty Tank (Ironclad Battalion)
Items	Powerups	Super Mushroom • 1-Up Mushroom • Mini Mushroom • Mega Mushroom • Fire Flower • Super Star • Hammer Suit