Here is the full list of all 66 Super Mombo Quest achievements.
Defeat the King of Nightmares
Equip the Belt of Longevity
Buy all items from Alfred
Equip the Heart Stone
Equip the Magic Magnet
Equip the Crystal of Power
Equip the Lucky Underpants
Store 15,000 crystals
Store 10,000 crystals
Collect all game coins
Buy all Philomen upgrades
Buy the Flaming Stomp upgrade
Rescue the animals in the Maze
Rescue the animals in the Volcano
Rescue the animals in the Forest
Equip the Magical Coin
Reach the Maleficent Momboland region
Buy the Volcanic Shield upgrade
Defeat the Swine Emperor
Buy the Rock Shield
Buy the Lightspeed Dive upgrade
Rescue the animals in the Desert
Rescue the animals in the Pyramid
Rescue the animals in the Mountains
Equip the Crystalline Piggybank
Buy the Electric Duality upgrade
Buy the Punch of Steel upgrade
Defeat the Lasercat
Equip the Ring of Revenge
Buy the Gentle Combo upgrade
Buy the Max Life upgrade
Collect 200 coins
Defeat the MegaDrill
Equip the Platinum Armor
Buy the Natural Boost upgrade
Reach the Voracious Volcano region
Reach the Mechanical Maze region
Collect 150 coins
Buy the Unstoppable Drive upgrade
Rescue the animals in the Tree
Buy all Ursula upgrades
Buy the Reveal Fountains and Totems upgrade
Reach the Desolate Desert region
Defeat the Evil Pigosaurus
Equip the Locket of Renewal
Reach the Prismatic Pyramids region
Buy the Reveal Nearby upgrade
Buy the Extra Slot upgrade
Store 5,000 crystals
Defeat the Green Smasher
Collect 100 coins
Reach the Towering Tree region
Buy the Crystalline Hunger upgrade
Rescue Adamastor
Equip the Grandfather Clock
Buy the Reveal Secrets upgrade
Reach the Fungal Forest region
Defeat the Pigosaurus
Rescue Ursula
Collect 50 coins
Equip the Guardians' Shield
Rescue Alfred
Rescue Philomen
Reach the Monster Trail region
Rescue Thoma
Open a chest