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