As the sun sets on Christmas Eve, everyone on Earth impatiently awaits the dawn of Christmas Day. However, invading intergalactic chickens have hatched a plan to make sure this dawn never comes. No opening of presents on Christmas morning, no riding a one-horse sleigh, no Christmas dinner. No, no, no, this won't do. Looks like you'll have to step up once more and save Christmas Day (quite literally). Chicken Invaders puts you at the forefront of a battle against invading intergalactic chickens, bent on revenge against the human race for our oppression of Earth chickens. In this episode, the chickens have hatched a devious plan to block out sunlight and freeze Earth to death. It's up to you to travel around the galaxy in order to piece together an ancient artifact and (quite literally) save Christmas day.