Just Dance 2015 received mostly positive reviews by critics, praising the franchise's continued focus on casual audience through its forgiving motion detection, multiplayer functionality, and pop-oriented soundtrack, although criticism was directed at the soundtrack for focusing too much on teen pop, as well as its user interface for having confusing and irregular conventions.

[2] As in previous installments, players must mimic the routine of an on-screen dancer to a chosen song, scoring points based on their accuracy.

[5] The new "Just Dance Wall" feature allows players to view news and updates, including received challenges.

[5] Geoffroy Sardin, Ubisoft EMEA's senior vice president of marketing, explained that the soundtrack was intended to contain "more top Billboard artists than ever before", citing demand by players.

[20] Zack Stein of IGN gave the Xbox One version of Just Dance 2015 an 8.0 out of 10; describing the game as "a welcome, surprising reinvigoration of the series", Stein praised the game for continuing to provide an overall experience catered to a casual audience, jump-in multiplayer, along with improved Kinect motion tracking in-game, and the higher-quality production of the per-song background videos, but criticized the user interface for being "as confusing and frustrating as ever" due to irregular design choices and behaviors.

"[5] GameRevolution, giving the game a 3 out of 5, felt that the game's soundtrack was "high-energy" albeit catered to a casual audience, noting that "singles like Pharrell's 'Happy' provide a strong pop basis while oddballs like a Tetris track or an unfortunately obnoxious song about a fox explore the far reaches of danceable contemporary music."

The game's soundtrack was also criticized for being the worst in series history for "clearly catering to teeny boppers and in doing so [leaving] out practically anybody older than 21 with decent taste in music", and containing fewer "good" songs than 2014.

In conclusion, giving the game a 3 out of 5, Hannley argued that "Just Dance is a series that's hard to hate as it genuinely wants players to have a good time, but 2015 is a misstep.