The game is very entertaining. The music is repetitive ad nauseum, but I have not turned off, after all, already lost my sanity long ago.
To end the armed duck inside the closet, you'll need a hammer, some nails and a plank. The nails are scattered on the floor of the gas station in sight ... but to get the piece of wood, you must first end the alien duck on the farm. Try to combine elements in a specific order if necessary. Nice ending ... well. Poor dog.