Here is the full list of all 23 Duck Season PC achievements.
Shot the sun with the golden shell
Platoon ending
Shoot all the cattails in game world
Inspect the globe
Flip the sign in the game world
Throw something out the window
Shoot the sitting duck in the game world
Cannon Ending
Its over, you lose
Stuck forever
Kill 100 Ducks
Kill two ducks with one shot
Shoot the dog more than once in a playthrough
Tried to get Mom's attention
What time is it really?
Dog
Set the table for dinner
A better game
Don't shoot the dog in a playthrough
Use the Kid Wizard Book
Beat All Cartridge Games
Watch all the VHS tapes
Survive the zombie attack