Downloadable Content, or DLC, was content that the player can choose to buy in addition to the game to add more to it.
Harvest Moon 3D: The Lost Valley had ten differen DLC packs, though only four of them are paid DLC and the rest are simply optional free addons.
NOTE: As of the Nintendo Eshop's closure on March 27th, 2023 this DLC in unobtainable through legitimate means. Players who had previously downloaded it can still access it on their device, but no new players can download it.
Adds the Fairy Tail outfit and Long Hair style to the girl's wardrobe and the boy Western Outfit and Very Short hair style to the boy's wardrobe.
New Outfit Set 2
Free
Adds the Camo and Dairy Farmer outfits to Catherine's shop for the female character and the Pink Button Down and the Dairy Farmer outfit to Catherine's shop for the male character.
New Outfit Set 3
Free
Adds Pink Jumper Dress to Catherine's shop for the female character and the Boy Camo outfit to Catherine's Shop for the male character.