Full list of all 23 Going Under achievements.
The base game contains 20 achievements, and there is 1 DLC pack containing 3 achievements.
Unlock all Skills.
Save the World?
Defeat Vested Marv.
Obtain Hustlebones' Share.
Obtain Hover Hands' Share.
Obtain The Caffiend's Share.
Kill a Hungry Box.
Go under.
Obtain The Toxic Mask.
Complete Swomp's "mentorship".
Kill a power loader with the Exit Strategist skill.
Complete Ray's mentorship.
Complete Tappi's mentorship.
Complete Fern's mentorship.
Complete Kara's mentorship.
Get cursed 13 times.
Open 100 delivery cubes.
Obtain The Grim Ledger.
Obtain The Mana Press.
Meet your coworkers.
Win a run in Impostor Mode.
Complete The Impostor's final test.
Complete the Rolodex