Here is the full list of all 11 All You Can Eat achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
You have successfully finished the game!
You have successfully printed out your first comic!
You have talked to everyone around!
You really filled up your inventory!
No, we don't solve problems with violence in this game...
Finish the game in under 3 minutes!
Right-clicking really is an achievement.
You listened to all of the channels!
Finish in under 80 panels!
I needed those pills!
You saw all the night locations!