The feedback icons received better animation in the final game. As seen in early previews for the game, the scoring text was completely still instead of "bouncing" like in the final game.
The obtained stars and Wiimote calibrations (Wii and Wii U versions only) did not originally "dance" in rhythm to the music in the final cut of the game.
Originally, the scoring would've featured a black bar between the player name and the actual scoring. This design idea ended up being used in Just Dance 2016, Just Dance 2017 and Just Dance 2018 , albeit with multi-colored bars.
One of the default player names were going to be "Chipsy", as seen in an early screenshot.
Initially the star bar was different, it was with 2D bigger bars one above the other. They can be seen in the short gameplay thumbnail of Danse (Pop version).
Party Master Mode was originally going to have a different design, and some different captions for dance moves.
Note also that the caption was used for the Extreme version of Call Me Maybe, who never appears in Mashups and Party Masters of the final game.
There was also a "Strike The Pose" button, like in Just Dance 4 Puppet Masters.
The original Mojo Coins were supposed to have different colors.
As already mentioned above, an unused Extras square can be found in the files of Just Dance Wii U.
The unused Extras square
Beta star bars and feedback icons
Screenshot showing the beta default name "Chipsy" and I Will Survive's beta square and glove color
Beta Party Master; notice the presence of the Strike The Pose button and different captions
A male dancer in a red splatter suit with spikes and yellow shoes appears on the PAL boxart, on the UK website, and on the Soundless Quiz, but not in the game. Some people have unofficially dubbed him as a dancer for Treasure by Bruno Mars. In a picture there is the duet partner that confirm that its in beta version and its a duet song in JD2014. He also looks similar to the male dancer from Candy, and has been suspected to be a beta dancer for that.
A dancer with a disco ball head appears in Mash-Ups and makes a minor appearance in Gentleman but is not seen with his own dance routine in the game. He is however an avatar that is available for purchase, and the most expensive thing to buy in the whole game for 500 Mojo coins. Some people unofficial dubbed him as the dancer for Just Dance by Lady Gaga as a Sweat or Extreme version. This was proven wrong later, due to the February DLC, the Sweat Version of the song, which showed a completely different coach. This assumption is probably based on the fact that the mirror ball is a recurring theme in the music video.
The dancer's pictogram color is usually light blue, but, in C'mon Sweat Mashup, this same dancer has two differently colored pictograms, the first one is light blue and the second one is light green for unknown reasons. Another strange thing is that, in all the Mashups, there's always a disco ball in the middle of the background: this may refer to this unknown dancer.
In the game files, the song code name is simply "discoballman2".
He makes a cameo in the background of Happy, but with a magenta outfit instead of the blue and red one. A similar dancer is seen in the routine of Je sais pas danser with a blue shirt and pants.
He also makes a cameo in the Just Dance Harlem Shake.
A male dancer wearing a hat with spikes, a blue jacket, a black vest, blue jeans, black shoes, and a black glove appears in the background of the Just Dance 2014 Website. Like the red suited dancer, he doesn't appear in the game. He looks similar to the dancer from The Other Side, and has been suggested to be for an alternate mode for that song. However, Ubisoft confirmed he was a promotional figure, not an actual dancer.
An unknown female coach appears in the background of Blurred Lines; after exploring the files, it has been proven that she was meant to be for Man Down by Rihanna.
In the Announcement trailer, a male dancer with a yellow outfit black glove red headband appears very briefly-almost to the point where you can't see it-in the trailer. The same goes for a male dancer similar in appearance to Should I Stay Or Should I Go. The dancers appear at the same moment, around 0:54.
They do also make an appearance in front of the Green Screen on a computer (to the far right) in the Harlem Shake video made by the Just Dance team and uploaded to their official YouTube account. This could imply that the two dancers were going to be in a Duet routine or a Battle between most likely unused songs. Some people have unofficially dubbed them as the dancers for Beat It by Michael Jackson or Paradise by Coldplay.
The Disco Ball Head dancer
Proof that Man Down was going to be in Just Dance 2014
There was a beta version of the On-Stage Mode, where in the announcement trailer, the On-Stage version of Careless Whisper can briefly be seen at 1:20, the dancers' color schemes are strongly different; the lead dancer is wearing a red jacket instead of a yellow one, and the backup dancers are dressed in darker pink. The most curious thing is that after 8 seconds, they appear again with the color scheme in the final version.
On an image showing all of the avatars that are on Just Dance 2014 (see in Gallery), a beta version of Careless Whisper’s avatar can be seen on there, and the avatar has a different type of sunglasses.
P2, P3, and P4 from were originally going to have different colored gloves, as seen when selecting your dancer in the dancer selection screen for the song and on the song's square; P2's glove was going to be yellow, P3's glove was going to be red, and P4's glove was going to be light pink.
All of the coaches originally had green outlines instead of pink outlines, as seen in a screenshot.
Gold Moves 2, 4 and 5 weren´t supposed to be Gold Moves.
The Extreme Version has two Beta squares. One of them is found in a tutorial video for downloading DLCs on Just Dance 2014 for Wii U and the other is found on the PAL version's instruction manual for downloading DLCs.
On the menu icon , P2's leotard is yellow and blue instead of yellow and dark purple.
We Can't Stop by Miley Cyrus was released on November 26 in the shop by accident, but it got removed short after. It is now a DLC for Just Dance 2015, although the dancer's color scheme and the background are changed.
With the use of a hacked Wii, instead of We Can't Stop appearing in the shop, there is a song called Dummy;if the player downloaded it, they would only get an empty dancer square. This was removed later on.