Here is the full list of all 19 Tower of Origin2-Worm's Nest achievements.
An unwinnable battle
Zerg language should be considered a foreign language
Find a way out of the prison
Achieve seedbed ending
Lay enough eggs in the nest
Complete all stages of water magic class
Complete all stages of fire magic class
Complete all stages of wind magic class
Complete all stages of playground
Complete all stages of part-time
Complete all bookworm plot during lunch break
Complete the entire office drama during lunch break
Complete the entire KeKe drama during lunch break
Against Zerg brainwashing
Follow Zerg brainwashing
God give but you don't want it, you will takes the blame.
Sweet are the uses of adversity.