Full list of all 24 Helga: Euphorium's Song achievements.
The base game contains 20 achievements, and there are 2 DLC packs containing 4 achievements.
Queen of Black Brother Clan joins you
Flowergirl joins you
Naughty Ninja joins you
Abandon quest and just go home
Met Abel
Heard the story of protagonist
Buy passport
Become a true hero by saving women
Cleared Pagoda Challenge
What did you just walk into...?
Defeated Abel in his true strength
Marry Queen
Marry Flowergirl
Marry Ninja
Marry everyone
Shoot all the movies
Complete every single Side Quest
Lose against the final boss
Have relationship with your Mother
Make a truly horrible sacrifice
Completely fulfill gallery
Save Slime Queen's Queendom
Marry Slime Queen
Shoot all spooky porn movies