Here is the full list of all 28 Harvest Moon: Light of Hope achievements.
Unlock all achievements.
Harvest all crops.
Record all items in the encyclopedia.
Cook all recipes.
Harvest all flowers.
Have your child grow up.
Using medicine, cure your child from Petrifaction.
Catch all fish.
Win the Cooking Festival, Fishing Festival, and Dog Race on Advanced.
Have a child.
Get married to someone.
Propose marriage to someone.
Become more than friends with someone.
Mine all gems and ore.
Reach the bottom of the mine.
Place the last stone tablet by the lighthouse and revive the island.
Become a good friend with someone.
Become closer to a friend.
Make strawberry jam and revive the Harvest Goddess.
Place four stone tablets by the lighthouse.
Place three stone tablets by the lighthouse.
Get a fishing rod to catch fish.
Get a hammer to break rocks and mine ore.
Become friends with someone.
Learn the basics of farming.
Place the first stone tablet by the lighthouse.
Get an axe to cut down trees.
Place two stone tablets by the lighthouse.