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.
Finish in under 80 panels!
Finish the game in under 3 minutes!
You listened to all of the channels!
You have successfully printed out your first comic!
You have successfully finished the game!
You saw all the night locations!
You have talked to everyone around!
I needed those pills!
You really filled up your inventory!
No, we don't solve problems with violence in this game...
Right-clicking really is an achievement.