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