All dogs descend from the wolf. The behaviors of the wolf are engrained into even the most domestic dog. Using these skills can help you train your dog and will make for a much happier pup.
Dogs like to use their nose. Playing scent games is fun and good training for your pet dog. Dogs also like to chase things, playing by utilizing these prey drives can increase your attention for an ordinary recall or stay command.
A dog that works for a living or earns his meal is much happier and can be healthier. Think how boring your life would be if everything was just given to you. No surprises, no expectations of anything better or not as good.
A few games to get your dog's instincts jump started would be: