Here is the full list of all 20 PowerWash Adventure achievements.
Completion of Cleaning Any Graffiti Level
The first completion of the Robot
The first completion of Dream Level
Complete the News Car Level
The first completion of Anubis
The first completion of the pool
Completed a total of 10 normal levels
Accumulate 500 coins
The first completion of the piano
Unlock the Intermediate Water Gun for the first time
The first completion of the airplane level
Cumulative Use EagleEye And Guide 30 times
The bot plays a total of 50 messages
Unlock and buy the first water gun accessory
First like
Complete the beginner level
Create and Save a Doodle Level for the First Time
The first completion of the haunted house level
The first completion of the UFO level"
The first completion of the truck