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