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