Here is the full list of all 16 Q-YO Blaster achievements.
Poor Mr. Garrison
Defeat Queen of the 6th floor
Defeat Arvo 737B
Defeat Space Witch
Defeat Dragunfly machine
Defeat Himmel 1
Defeat the four thieves
Defeat the big Monster
Get 1000000 points
The Witch is defeated by her own attack
Can you hear me, mayor Tommi?
Defeat the annoying worm
Finish game without continuing
Complete a game from beginning to end in expert difficulty
Defeat Maximum Bacterium
Defeat Dr. Robobug