Here is the full list of all 15 Clam Man achievements.
I’m Clam Man, and this is my favorite ending in the game.
You literally just killed a guy. You monster.
Oh no! He can’t hear us! He has earpods in!
Crack down on crime!
Behold! My stuff!
Go get your money back, you jobber.
Don't worry, it's perfectly Safe.
Pay tribute to the greatest band of all time.
Immediately start doing what you said you wouldn’t.
Get fired and feel bad about it.
Remember? From the hallway scene?
So it was all your work!
Abuse a jellyfish.
The customer is always right. And annoying.
Because that's great writing.