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