Here is the full list of all 26 TROUBLE JUICE achievements.
Beat a boss without getting hit
Stomp on 20 enemies using the stomp juice
Finish A Run with any character
FInish a run without killing juice guy
Kill 1000 enemies
Don't warp 10 levels in a row
Get 4 Positive Karma
Complete any area in 3 minutes or less
Finish a run with Shlomo
Kill 50 dark enemies
Kill an enemy for the first time
Get killed by a boss
Die for the first time
Get 4 Negative Karma
Kill a boss for the first time
Finish a run with H. Copter
Collect 10 health gems in the same run
Finish a run with Prototype0
Take 4 gun upgrades in the same run
Finish a run with Dasha
Kill Juice Guy 7 times in the same run
Kill 10 bosses
Kill Juice Guy 30 times
Finish a run with Surtun
Don't get hit 10 levels in a row
Congratulations!