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