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