Here is the full list of all 30 Just Dance 2019 achievements worth 1,000 gamerscore.
Complete your first song
Get 3 stars on a song
Get 3 stars on 5 different songs.
Get 5 stars on a song
Get 5 stars on 10 different songs.
Perform all Gold Moves in a song.
Perform all Gold Moves in 5 songs.
Perform only Good Moves or better in a song.
Finish 5 songs with 2 or more players dancing.
Finish 20 songs with 2 or more players dancing.
Get a Perfect on the last move of a song.
Get 10 Perfect moves in a row in any song
Complete a song with at least 90% Super (or better) moves.
Get 3 stars with all four Players on any Song with 4 Dancers
Get 5 stars with all four Players on any Song with 4 Dancers.
On a song with 2 dancers get 5 stars on both dancers
Get 3 stars on all songs (No Alternate versions).
Get 5 stars on all Songs (No Alternate versions).
Complete a 3 Dancer song with 3 or more players.
Dance one song of these map types: 1, 2, 3 and 4 coaches.
Spend 10 Mojo.
Spend 50 mojo
Spend 200 mojo
Unlock all Avatars.
Dance to a 2 Dancer song on your own.
Play a playlist with Kcal tracking toggled on.
Play a 40 minute playlist
Get 20 or more consecutive Super moves during any song.
Reach the "Superstar" rank on 5 songs.
Reach the "Megastar" rank on a song.