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