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