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.
Complete Kara's mentorship.
Complete Tappi's mentorship.
Complete Fern's mentorship.
Get cursed 13 times.
Complete Swomp's "mentorship".
Kill a power loader with the Exit Strategist skill.
Complete Ray's mentorship.
Open 100 delivery cubes.
Go under.
Obtain The Toxic Mask.
Obtain The Grim Ledger.
Obtain The Mana Press.
Meet your coworkers.
Complete the Rolodex
Complete The Impostor's final test.
Win a run in Impostor Mode.