Here is the full list of all 97 Cornucopia achievements.
Complete 15 Card Quests
Use a Vending Machine
Reach Level 5 in a Skill
Play All of the Arcade Games
Earn 100 Arcade Tickets
Ship 10 Fruits/Berries
Kill 10 Enemies
Earn $10,000
Reach Heart Level 5 with an NPC
Reel-in 10 Treasure Chests
Catch your first Fish
Refine 100 Times
Discover the Old Mines
Ship 10 Crops
Unlock 10 Cooking Recipes
Craft an Item
Harvest your first Fruit Tree
Find Out Someone's Favorite Gift
Harvest your first Vegetable
Harvest your first Berry Bush
Meet 15 NPCs
Complete a Card Quest
Give your first Gift
Open 25 Card Packs
Refine 10 Times
Brush an Animal
Plant your first Seed
Feed Munger for the First Time
Open 10 Card Packs
Open your first Letter
Get Stuck in the Waterwheel
Earn $100,000
Earn $500,000
Earn $1,000,000
Fat Cat Earn $10,000,000
Win All of the Arcade Games
Earn 1,000 Arcade Tickets
Meet All the NPCs (Talk to all NPCs)
Reach Heart Level 10 with an NPC
Reach Heart Level 5 with 10 NPCs
Reach Heart Level 5 with 25 NPCs
Reach Heart Level 10 with 25 NPCs
Find Out 10 NPCs Favorite Gifts
Unlock 50 Cooking Recipes
Unlock 100 Cooking Recipes
Unlock 200 Cooking Recipes
Whip Up Your First Dish
Cook 10 Cooking Recipes
Cook 100 Cooking Recipes
Prepare 25 Different Dishes
Upgrade your House
Fully Upgrade your House
Breed a Cow
Hatch a Chick
Open 100 Card Packs
Catch 10 Fish
Catch 25 Fish
Catch 500 Fish
Catch 150 Fish
Defeat the Spider Boss
Defeat the Ogre Boss
Defeat the Lava Crab Boss
Defeat the Slime Boss
Defeat the Squid Boss
Ship 250 Crops
Ship 250 Fruits/Berries
Start Dating
Get Married
Have a Baby
Reach Level 10 in a Skill
Reach Level 3 in All Skills
Reach Level 10 in 5 Skills
Win A Race
Win 10 Races
Win 50 Races
Craft Items 25 Times
Kill 50 Enemies
Kill 1000 Enemies
Kill 250 Enemies
Restore the Cornucopia
Attend Every Festival
Win the Cooking Contest
Win an Auction
Sell at an Auction
Try Every Scratch Card
Bomb NPCS 25 Times
Unlock all the Backpack Slots
Breed 10 Animals
Upgrade your Barn
Upgrade your Chicken Coop
Breed every kind of Animal
Steam Train was Spotted
Feed Munger 90 Days in a Row
Decorate your Home for the First Time
Catch your first Large Fish
Bomb an NPC
Pass out from Exhaustion