Here is the full list of all 17 Among Ass achievements.
Start game with 14 Regular Ass.
Complete "Killing Floor" challenge.
Repair the ship 100% and at least 3 Regular Ass must remain alive (there must be at least 1 Bad Ass Bot in the game).
Complete "Blindness" challenge.
Survive the challenge "Survival" over 300 sec.
Complete "Speedrun" challenge.
Use fart acceleration multiple times in one game.
Kill any ass with Gachi Mode on
Stop bad ass with shit mine.
Kill Regular Ass with Bad Ass.
Enable Recardo Mode and start game.
Break any panel playing as Bad Ass.
Try pressing "action" on the table in the central hall.
Fall out into space as a Regular Ass.
Repair the ship by 50%.
There is only one ass on the ship at the start of the game.
Repair any panel on a ship.