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