Level
Mystery House Marathon
Level code	World Crown-
World	World Crown
Game	Super Mario 3D World Super Mario 3D World + Bowser's Fury
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Mystery House Marathon, orWorldCrown-Mystery Box, is the finalMystery House ofSuper Mario 3D World and itsNintendo Switch portSuper Mario 3D World + Bowser's Fury, with thirty challenges, all having a time limit of ten seconds. It is the Mystery House with the mostGreen Stars, and the only one withBoom Boom and aStamp. Some of the challenges in this level are harder versions of theMystery Box levels from previous courses and previousMystery Houses.

Collectables

Green Stars

Image	Challenge
	A room containing threeKoopa Troopas that must be defeated to collect the Green Star.
	A set of threeswings and onespiked roller; the Green Star is at the end of the platforms.
	A room with threeP Panels and twoBrolders; all switches must be activated to spawn the Green Star.
	A room containing four torches that must be lit for the Green Star. A rectangular? Block with aFire Flower is at the back of the room.
	A room rotating counterclockwise containing three rows ofPeepas rotating clockwise; the Green Star is on top of a tall cabinet.
	A room containing twenty woodencrates; the Green Star is in the top-right group, in the bottom-left crate.
	A room containing aGoomba and sixMini Goombas that must be defeated to collect the Green Star.
	A landing with fivebaseballs over a slope with a group of fourPara-Biddybuds flying in front of the Green Star below; it must be collected by throwing the baseballs.
	A room containing fourHop-Chops and a Green Star on a platform high above. The rightmost Hop-Chop is the only trampoline, and can be used to reach the Green Star.
	A room containing twoThwomps andinvisible walkways. The Green Star sits on the second level of the room and can be reached by taking a Thwomp to the star.
	Anicy slope with the Green Star at the end, guarded byWalleyes;Ice Skates must be used to collect the Green Star in time.
	A room partitioned into three sections by two walls, which must be climbed by using theSuper Bell in the rectangular ? Block in the middle section. To the right is aP Switch that spawns the Green Star on the left.
	A section similar toBullet Bill Base with the Green Star at the top, whereCat Mario must again be used to climb up.
	A room containingBlast Blocks used as stairs that Cat Mario must climb to the top, where the Green Star is.
	A room with four large blocks that must be climbed using Cat Mario, with the Green Star at the top. Each block begins to fall when landed on, with the fourth block falling prematurely, so the player must move quickly.
	A circular wall rotating counterclockwise with two groups ofFuzzies rotating clockwise. The Green Star is in the middle of the wall, in an opened box jutting out from it.
	A room with sevenDash Panels and arabbit that must be caught to obtain the Green Star.
	A room containing aJump Panel and five baseballs, with a small P Switch at the top on the right side wall that must be hit for the Green Star to appear.
	A rotating wooden circle maze containing twoPiranha Plants and a Green Star in the center, towards the top.
	A platform with twoBullies that must be pushed into thelava surrounding the platform. When both are defeated, the Green Star will appear.
	A room containing threeMega ? Blocks and a Green Star at the top that can be reached by extending the ? Blocks or using Cat Mario.
	A sky platform containing three Dash Panels, twoBill Blasters,Cat Bullet Bills and a Green Star at the end of a narrow walkway.
	A room containing fivePiranha Creepers, four as stairs and one as an obstacle, with the Green Star at the top. The player must jump on the Piranha Creepers consecutively to reach the top.
	A room containing threeSwitch Panels, twoThwomps, onebomb and five baseballs. Two of the Switch Panels are protected by Thwomps, and the third byRock Blocks that must be destroyed with the bomb. The player must throw the baseballs at the Switch Panels to turn them on for the Green Star to appear. The on the Wii U or the button or touch screen on the Nintendo Switch can also be used to activate them.
	A room containing twoPotted Piranha Plants and two groups of Fuzzies, who must be defeated to collect the Green Star. The two Piranha Plants must also be defeated as well.
	A circular, cookie-shapedTurning Floor. The player must avoid Piranha Plants andBrick Blocks to reach the Green Star that will appear on the right.
	A room with Rock Blocks up against the wall, a searchlight andCat Bullet Bills. The Green Star is in top left corner, and the player must make their way to the top before the Cat Bullet Bills destroy the Brick Blocks.
	A bridge ofDonut Blocks guarded by twoSpikes at the end, who are also guarding the Green Star.
	A room containingBoom Boom, who will be defeated after being hit once, which spawns the Green Star.
	A simple, straight pathway withcoin piles, astamp and a Green Star all laid out in a row, with a small jump from a cloud platform at the end.

Stamp

Image	Location
	In the final room, in plain sight. The stamp is aSuper Star.

Enemies

Image	Name	Count
	Koopa Troopa	3
	Unshelled Koopa	3 (from Koopa Troopas)
	Brolder	2
	Peepa	18
	Goomba	1
	Mini Goomba	6
	Para-Biddybud	4
	Hop-Chop	4
	Thwomp	4
	Walleye	5
	Fuzzy	20
	Piranha Plant	11
	Bully	2
	Cat Bullet Bill	(infinitely spawned)
	Piranha Creeper	5
	Spike	2
	Boom Boom	1

Names in other languages

• Super Mario 3D World levels

• Articles with deprecated template parameters
• Articles with unsourced foreign names