Full list of all 32 Steven Universe: Unleash the Light achievements.
The base game contains 21 achievements, and there are 2 DLC packs containing 11 achievements.
Defeat two or more enemies with a single use of Connie & Lion's Lion Charge ability
Collect a Rainbow Charm
Receive an "A++" Grade in the Black Hole Chapter
Complete any run of the Black Hole chapter while wearing the CBF Badge the entire time
Complete the Black Hole chapter on all three difficulties
Have a jam session with Steven and Greg
Complete a full Magical Mission in Rose's Room
Complete a Magical Mission in Rose's Room without any characters being defeated
Fully rank up one character in Rose's Room
Complete every character's Magical Mission in Rose's Room