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