Full list of all 41 Monster Sanctuary achievements.
The base game contains 34 achievements, and there is 1 DLC pack containing 7 achievements.
Donate 100 Monsters to the Monster Army
Deal over 10,000 damage in a single hit
Obtain all monsters
Complete twenty five battles in the Infinity Arena OR PvP
Evolve a monster
Upgrade 50 pieces of gear
Receive 5 star scores against all Champions
Uncover the whole map
Beat all of Trainer Gotthelm's challenges
Become a Keeper Master
Enter the Land of Blobs
Defeat Marduk
Win 200 wild enounters
Complete Forgotten Workshop story content
Complete Underworld story content
Prove a worthy opponent
Help out a resident of the Sanctuary
Recover long lost treasure
Receive a 5 star score in the Champion Challenge
Obtain a shifted monster
Restore balance to the Sun Palace
Achieve at least a 25 x Combo
Pass the Oracle's test
Become A Keeper Lancer
Confront the Alchemists in the Library
Receive a reward from the Monster Army
Receive a Tanuki Egg
Defeat the Goblin King
Five-star a battle
Defeat all monsters in a single turn
Discover a hidden room entrance
Hatch first monster
Complete Old Buran's training
Calm the Blue Caves