Here is the full list of all 23 Duck Season PC achievements.
Beat All Cartridge Games
Set the table for dinner
Survive the zombie attack
Dog
Watch all the VHS tapes
Platoon ending
Stuck forever
Its over, you lose
Inspect the globe
Cannon Ending
Use the Kid Wizard Book
Shoot the sitting duck in the game world
Shot the sun with the golden shell
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
Shoot all the cattails in game world
Kill 100 Ducks
Throw something out the window
Flip the sign in the game world
Kill two ducks with one shot
What time is it really?