Catch all the different species of fish, including the 6 Kings

Ship at least 1 of every shippable item
Collect all 9 of the Goddess Jewels and receive the Gem of Goddess
Own the Big Bed for your home
Dig up every type of item from the Lake Mine
Dig up every type of item from the Spring Mine
Be in your 5th year (or later) on the farm
Ask Carter for permission to "Marry the HG" during his Confessional times