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