Here is the full list of all 16 Greyfox RPG achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
Knock down and eat a coconut.
Get the bad ending.
Kill everyone.
Get the so-so ending.
Have Esmeralda arrested.
Commit two acts of theft.
Finish the game.
Get the good ending.
Don't kill anybody.
Complete the nurse's storyline.
Complete Katharine's storyline.
Save all of Katharine's cat.
Complete Mr. Brown's storyline.
Complete Mabel's storyline.
Have tea bags dumped on you.
Clean up all the dog poop.