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New Super Mario Bros. Wii

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Title Screen

New Super Mario Bros. Wii

Developer: Nintendo
Publisher: Nintendo
Platform: Wii
Released in JP: December 3, 2009
Released in US: November 15, 2009
Released in EU: November 20, 2009
Released in AU: November 11, 2009
Released in KR: August 7, 2010
Released in CN: December 5, 2017 (NVIDIA Shield)
Released in HK: July 3, 2010
Released in TW: July 3, 2010

AreasIcon.png This game has unused areas.
DevTextIcon.png This game has hidden development-related text.
EnemyIcon.png This game has unused enemies.
ObjectIcon.png This game has unused objects.
GraphicsIcon.png This game has unused graphics.
ModelsIcon.png This game has unused models.
MovieIcon.png This game has unused cinematics.
ItemsIcon.png This game has unused items.
MusicIcon.png This game has unused music.
SoundIcon.png This game has unused sounds.
TextIcon.png This game has unused text.
DebugIcon.png This game has debugging material.
RegionIcon.png This game has regional differences.
Carts.png This game has revisional differences.

NotesIcon.png This game has a notes page
PrereleaseIcon.png This game has a prerelease article

New Super Mario Bros. Wii takes the revamped 2D side-scrolling action from the DS title and kicks it up a notch by what many fans would consider a dream come true: simultaneous cooperative multiplayer in the main game. It also marks the return of Yoshi, the Koopalings, and Kamek, and pretty much set the standard for the Mario universe in the years that followed.

This article is a work in progress.
...Well, all the articles here are, in a way. But this one moreso, and the article may contain incomplete information and editor's notes.
To do:


Unused Objects
New hits and old favorites.
Unused Level Features
Things that just don't come into play.
Version Differences
The US and European translators can't seem to agree with each other.

Unused Graphics

Japanese Text


Sometimes there's stuff drawn or written on tileset images that is invisible due to the alpha channel. They can be found on many invisible tiles used only for collision, and indicate the type of each. They may have been used in Nintendo's level editor.

Desert Tileset

NSMBW-Pa1 sabaku.png

The desert tileset (Pa1_sabaku.arc) has a simple collision-less palm tree object (like in New Super Mario Bros.) that goes unused in the game. It was replaced by animated 3D sprite palms that you can stand on.

This tileset also has graphics for upside-down slopes, but none of the tiles are even assigned to objects in the tileset.

Tower Tileset


Pa1_toride.arc 's first tile is a pink block. It's assigned to a lot of objects, but none of them are used. The block itself bears a resemblance to ones that appeared in E3 2009 screenshots, but most likely was 'dummied out' via recoloring.

Snow Tileset


As seen in prerelease screenshots, snow levels were meant to use a gray variation of the basic block tileset. They went unused in the final game, but the file is still present (Pa0_jyotyu_setsugen).

Credits Tileset

Standard Staff Roll
NSMBW-Pa0 jyotyu.png NSMBW-Pa0 jyotyu staffRoll.png

The credits sequence stage gets its own standard tileset. The only tiles used there are the invisible solid ones, so the rest go unused. It appears to be a version of the main standard tileset rendered with an early alpha mask that no longer matches the texture. Most notably, the silhouettes of two arrow signboards and a climbable pole can be seen, indicating that these were once part of standard tilesets. (They are both 3D models in the final game.) There is also some sort of vine or stony ladder. The donut block is also depicted in-tileset, instead of having a blank space - in the final game, a 3D model is drawn over the tile, making any in-tileset graphic pointless.

New Super Mario Bros. Leftovers

Early Block Roulette


obj_block.arc contains an early design for the block roulette, similar to the one in New Super Mario Bros.. It also includes early icons for the powerups. Note the change of Mini Mushroom to a 1UP in the final, and lack of Ice Flower in the early design.

Early Final
NSMBWearlyroulette.png NSMBWfinalroulette.png

Early Winged Block


obj_block.arc also contains a placeholder winged block, which uses the block texture from New Super Mario Bros.. The final game uses block_pata.arc.

Early Coin


There's an early coin file (coin.arc), which contains a flat model and a texture of the coin from New Super Mario Bros..

Early World Map Path


While this texture from New Super Mario Bros. is used to mark the course spots on the world map models, it's invisible in game.

Broken Pipes

We need a plumber now!

obj_dokan.arc contains broken pipe models that would be used by the unused Mega-Mario flying pipe actors. As you can see, they're a bit lacking in texture, though.

Unused Backgrounds


Seen in E3 2009 footage, this fantastical 2D background was replaced by more realistic ones.

NSMBW 3D Background boss hikousen bg Render.png

Called boss_hikousen_bg (boss_airship_background). It doesn't look anything like an airship, though. It uses a different filename format (the others just use numbers) and internal file layout to the other backgrounds.

Early Graphics

World 1-Tower Icon


The file that contains textures for the stage icons in the Coin Battle and Free-for-all multiplayer modes has an icon of Larry being battled by Mario, named im_W1_toride_00.tpl. It's never displayed by the game, as it uses im_W1_toride.tpl for the W1 tower icon. What's interesting is that it shows how the early Larry boss platform looked. It's also unique because Mario is in the image, which doesn't happen in any other Coin Battle icon.

Early Extending Mushroom Stem Texture

Early Final
Nsmbw lift kinoko yoko kasa.png Nsmbw M kinoko yoko kasa.png

Found in the pink extending mushroom archive (lift_kinko_yoko.arc) is a early texture for the end of the stem called lift_kinoko_yoko_kasa, the final is called M_kinoko_yoko_kasa.

Items Menu

NSMBW-items menu 2D Super Mushroom.pngNSMBW-items menu 2D Fire Flower.pngNSMBW-items menu 2D Propeller Mushroom.pngNSMBW-items menu 2D Ice Flower.pngNSMBW-items menu 2D Penguin Suit.pngNSMBW-items menu 2D Mini Mushroom.pngNSMBW-items menu 2D Super Star.png

The items menu layout archive (stockItem.arc) contains 2D item graphics and appropriate layout data, but they aren't used in-game - separate 3D models are used instead.

(Source: Original TCRF research)


Note the note

A music note, which appeared in prerelease screenshots, is still present in the game files (note.arc).

Spring Block


The checkered spring block file (block_jump.arc) still contains the old texture shown in E3 2009 screenshots.

Wind Effects


The file env_wind contain some cloudy textures similar to those used for the usual cloud/mist effects. These textures, however, have writing all over them. According to the text, the first three are meant for regular stages, while the last three are meant for desert stages. Since the textures are almost entirely white with transparency, the above image shows the files on a black background. The original files can be found below.

The final game only uses one type of wind effect, and its textures are stored as wmy_bgsnow.3 (and 4 and 5) inside env_snow.arc. It's also handled by the same sprite as the falling snowflakes effect, and uses most of the same code. It is only used in World 2-4, a desert level.

Prickly Goomba

The Prickly Goomba enemy from World 9-7 has an early model under the name iga_kuribo.arc. It lacks the frames for the Goomba's eyes and has different animations. This file is mentioned in the boot.dol.

Search Lights

NSMBW Unused 3D Model search light-light double Render.png

Found in light_search.arc are light_double and...

NSMBW Unused 3D Model search light-light search Render.png

light_search. light_single is used.

Question Mark Bubble

NSMBW Hatena balloon Texture.png

This has a similar name to the Balloon actor that contains Super Mushrooms and revived players, so this model may have been an early model for that

World Map Diamonds

To do:
this may just be a brawlbox thing

The World Maps have 3D diamonds that mark the path spots, but they aren't visible in-game.

(Source: Original TCRF research)

Green Coins


The coin object file (obj_coin.arc) contains a model and texture for a green coin, but it never shows up in-game. It was originally going to be used as the "collect 8" object in the enemy world map ambush courses, but it was later replaced by Toad Balloons. The Toad Balloon object is still named EN_GREENCOIN by the game. Green Coins are used in the sequel New Super Mario Bros. U, with the same appearance but a different functionality.

Green Snake Block

Rattle rattle rattle

There are two files for a normal, non-icy snake block; block_snake.arc and snake_block.arc. They both contain a texture similar to the one used in New Super Mario Bros.. For some reason, snake_block.arc 's texture is of a higher resolution. snake_block.arc is unused.

Ghost House Pole

Early Final
NSMBW Purple Pole Unused.png NSMBW Purple Pole.png

The purple climbable pole found in 3-Ghost House is rendered as a 3D model. An unused 2D version also exists, which has somewhat different coloring and shading. It's actually fully functional if placed in a level.

Big Thwomp

Early Final
NSMBW-Early Big Thwomp.png NSMBW-Final Big Thwomp.png

The Thwomp/Big Thwomp model archive contains an early Big Thwomp model called big_dossun. The used one is called dossun_big.


The sledgehammer (lift_zen_hammer.mdl0) that appears in World 8-6 has a duplicate inside the Tower Boss Door archive (obj_door_torideboss.arc).

Many models contain duplicate (or near duplicate) textures.

Red Big Wiggler

NSMBW-hanaB body.1.png

The Big Wiggler "body" model file contains a red variation of the main texture, but Big Wigglers never turn red.

(Source: Original TCRF research)

Dummy Cube

NSMBW BGMAnimDummyExample.png

A black unused cube is found in BGM_Anim_Dummy.arc in the Object folder. This model is used to implement the coins and question/brick blocks in some levels (particularly in World 7) which hop back and forth in time with the music. The hopping/dancing movement is an animation on the model, and the in-game object changes position along with the cube. The cube itself is normally invisible, but can be made visible by setting a specific global variable to a non-zero value. (In the European/PAL version, set the byte at RAM address 80935D80 to anything but 0 to show it.)

World 3 Palms

To do:
There is an unused actor for these palms.

The model CS_W3_Palm is an arrangement of palm trees meant for the island-themed world. This indicates that the island-themed world was originally going to be World 3, just like in New Super Mario Bros., instead of being World 4. To further support this, the name of the tree texture in both models is W3_YashiA. The texture used by the World 3 version is twice as wide as the final version, adding more ridges to the tree leaves. The tree arrangement barely matches with the terrain of World 4 at all, with two of the trees being higher up than the ground and none of them being at beach height. It also only has 8 trees, all the same size, rather than the 18 trees of two sizes used in the final version. Other World Map texture names also suggest that World 3 was once the island-themed world.

World Map Grid

In cobGrid.arc in the WorldMap folder is a simple grid, most likely used by the mappers to create world maps.

Unused Hint Movies

There are a total of 82 hint movies. While 62 of them are used, the rest of them go unused. They mostly contain Super Skills, and are broken due to the level layout being different from when the inputs were recorded.

1-3: Four unused Super Skills
2-2: Four unused Super Skills
2-5: Three unused Super Skills
3-2: One unused Infnite 1-Ups
3-5: Three unused Super Skills
6-Castle: One unused Super Skills
7-Tower: One unused Star Coin & one Super Skills
9-8: Two unused Super Skills

World 7-Tower

Star Coin

~ Player jumps on Bullet Bills to get 1-Ups
~ Collects the first star coin above Banzai Bill
~ Breaks the hidden block and jumps onto the roof
~ He goes into the pipe an collects the second star coin
~ Jumps onto the moving platform and kills himself

Super Skills

~ Player starts with a Propeller Suit
~ The player gets hurt two times
~ Shows the secret exit

Unused Animations

Big/Medium Goomba

NSMBW-BigMedium Goomba flattened.gif

The Big/Medium Goomba model has one unused animation in which it becomes flattened. It is different from the small Goombas' flattening animation.

(Source: Original TCRF research)

Midway Flag

  • swing_L
  • swing_R

These both were likely used with early versions of the model, because they do not fit the current bone structure of the model and look wrong when these animations are used through hacking.

Unused Behaviors

  • Spike Tops and Chain Chomps can be bounced off with Yoshi. The former is also unused in New Super Mario Bros. U but the latter doesn't work in that game. Both are used in Super Mario Maker.
  • Chain Chomps, Thwomps and Prickly Goombas have hitboxes that are impenetrable by Yoshi's tongue.
  • Switches can be pressed by Yoshi, even when the player is not riding Yoshi.
  • Dry Bones have the standard behaviour for overworld enemies being in water (splashing when entering and moving slowly when in).
  • Yoshi detaches from Mario if they are in water.
(Source: Original TCRF research)

Unused Lighting Setting


There is an unused "dark" lighting setting which causes triangular light beams to be generated by each player. The beams face the same way as the players and each can be rotated between 0 and 180 degrees by tilting the relevant Wii Remote.

(Source: Original TCRF research)

Unused Text

You can play for 10 minutes. After 10
minutes, the session will automatically end.

From the E3 2009 demo. It was shown on the title screen.


Same as above.

Thank you for playing!
You can continue
your adventure
in the retail version!

Also from the E3 2009 demo, obviously displayed when the session ended.


First message in the file with obvious purpose. In the Japanese, USA Spanish text, it is the same, the meaning is the same, except there is no "1" on the end.

Story Mode

Seems to a label for the main mode on the menu.

VS Mode
As you make progress in Story mode,
you'll unlock more courses to play
in VS mode.

Seems to be text for an early/scrapped multiplayer mode.

Select a Mode

Another piece of unused text for the main menu.


These aren't capitalised in the final Free for All, but they are in the early multiplayer mode that was seen in the E3 2009 demo. "SCORE" is "トータル" ("total") in the Japanese text.


A leftover from the early multiplayer mode that was seen in the E3 2009 demo.

(Source: Original TCRF research)

Unused Jingle

There exists a single unused track in the game, named cheepfanfare_lr.ry.32

Unused Sounds

Many, if not all, the sound waves that were in NSMB are also present here with their original filenames. These will not be listed.

Sound Sequences

The NSMB coin sound. This can be heard in prerelease footage.


There is no Nintendo logo screen in this game.

(Source: Original TCRF research)

Early Features

In prerelease screenshots, we see that the game originally had a Red and a Blue Yoshi. They were changed to Pink and Light Blue in the final version. The filenames for the Yoshi models, though, still follow the old colouring: Y_tex_red.arc, Y_tex_blue.arc.

The game was originally going to have Mega Mario, but it seems to have been canned very early on - EN_ITEM (the actor which manages the various powerup items) has an empty value which loads a mushroom model from I_big_kinoko.arc, but it crashes the game when used, and it does not have any other code which uses the value. There is no way to enable it without ASM hacking.

The file I_big_kinoko.arc does not exist, and it is not referenced by the game otherwise. Also, as other evidence of Mega Mario having been planned, the "flying pipe" objects were ported over from New Super Mario Bros. but are not used in the final game.

Graphical Oddities

Pipe Joint

Early Final
NSMBW-EarlyPipeJoint.png NSMBW-FinalPipeJoint.png

The pipe joint texture used in the World 6 Map and the World 6 Map icon depicts an earlier pipe joint. It can also be seen in the E3 2009 demo version.

World 7 Cliff

Early Final
Nsmb W7 CliffA.png Nsmbw W7 GrassA.pngNsmbw w7 map platform.png Nsmbw athetic tile.png

The cliff model used in the World 7 Map depicts an earlier athletic tileset design. It can also be seen in the E3 2009 demo version.

Exception Handler

The exception handler is still in the game's code, but can't be seen normally without hacking or causing an exceptionally heinous glitch. When it does crash, press HOME, -, +, -, +, 1, 2, 1, 2, A on Player 1's WiiMote. The player will then see the processor state at the time of the crash, as well as some trace info.

(Source: Skawo)

Development Text

Internal Project Name

The project's internal name is "wiimj2d" or just "mj2d" (mario journey 2d?), according to multiple filenames

(Source: Original TCRF research)

Build Date and Number

Four empty files exist in the main folder with filenames listing build dates and some kind of build number.

Japan Revision 1 USA Revision 1 Europe Revision 1
USA Revision 2 Europe Revision 2 Japan Revision 2
Korea Hong Kong/Taiwan China (NVIDIA Shield TV)


A file called WIIMJ2DNP.str is present in the root folder and lists the locations of some uncompiled code. "WIIMJ2D" may be the game's internal project name - it is used for the save file's filename too. This file is actually used for something as the game crashes if it is deleted or overwritten.

Japan Revision 1 USA Revision 1
Europe Revision 1 USA Revision 2
Europe Revision 2 Japan Revision 2
Korea Taiwan China (NVIDIA Shield TV)