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.
Get the good ending.
Don't kill anybody.
Get the so-so ending.
Have Esmeralda arrested.
Save all of Katharine's cat.
Finish the game.
Get the bad ending.
Kill everyone.
Complete Katharine's storyline.
Complete Mr. Brown's storyline.
Complete Mabel's storyline.
Have tea bags dumped on you.
Complete the nurse's storyline.
Knock down and eat a coconut.
Clean up all the dog poop.
Commit two acts of theft.