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