Here is the full list of all 19 The Powerpuff Girls: Defenders of Townsville achievements.
Enter The Sewers
Rescue Blossom
Rescue Bubbles
Rescue the Mayor
Defeat Mojo Jojo
Unleash A Fully Charged Attack
Destroy 100 Boxes
Destroy 100 Robots
Dash Bash 10 Robots
Visit Every Room
Destroy 10 Robots With Each Type of Attack
Get all the Booster Types
Enable 3 Boosters at Once
Clear Every Room
Beat Hardcore Mode With 5 or Fewer Saves
Maximize Your Health Meter
Maximize Your Power Meter
Complete Mojo's Key Quest
Remember How To Fly