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