Here is the full list of all 16 Wormatozoa achievements.
Win the game!
Complete all levels!
Complete all levels in par time!
Complete all levels in par moves!
Unlock every secret chapter!
Beat the first boss!
Beat the second boss!
Beat the third boss!
Beat the fourth boss!
Beat the fifth boss!
Complete the first chapter without dying!
Complete the second chapter without dying!
Complete the third chapter without dying!
Complete the fourth chapter without dying!
Complete the fifth chapter without dying!
Complete the game in under two hours!