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.
Kill a Hungry Box.
Save the World?
Defeat Vested Marv.
Obtain Hustlebones' Share.
Obtain Hover Hands' Share.
Obtain The Caffiend's Share.
Go under.
Complete Fern's mentorship.
Kill a power loader with the Exit Strategist skill.
Complete Swomp's "mentorship".
Complete Ray's mentorship.
Complete Tappi's mentorship.
Complete Kara's mentorship.
Get cursed 13 times.
Open 100 delivery cubes.
Obtain The Toxic Mask.
Obtain The Grim Ledger.
Obtain The Mana Press.
Meet your coworkers.
Complete The Impostor's final test.
Complete the Rolodex
Win a run in Impostor Mode.