Here is the full list of all 50 A Tofu Tail achievements.
Complete a puzzle after leaving a Magatama jewel behind
Complete your training
Find your way through the wild wilderness
Brave the raging waves of the stormy seas
Reach the other end of the disco dance floor
Escape from the heat of the volatile volcano
Rediscover your spirit and make peace with your internal division
Travel through space and time my friend
Traverse the realms of the Kitsune in search for a cure to your curse
Barter with the Kitsune to pass to the next realm
Collect all the Magatama of the Wilderness Realm
Collect all the Magatama of the Tempest Realm
Collect all the Magatama of the Oni's Club
Collect all the Magatama of the Volcano Realm
Collect all the Magatama of the Spirit Realm
Collect all the Magatama of the Spacetime Realm
Collect all the Magatama of the Celestial Realm
Collect 25 Magatama jewels
Collect 50 Magatama jewels
Collect 75 Magatama jewels
Collect 100 Magatama jewels
Collect all Magatama jewels
Forgo treasures and leave wealth behind, throwing a Magatama off of a stage
Collect Magatama in as many different ways as you can
Attempt to take more wealth than is reasonable by collecting twenty previously achieved Magatama
Collect all Magatama in core story puzzles
Collect all Magatama in bonus puzzles
Solve a Volcano Realm puzzle twice in a row without leaving the puzzle
Overcome a heavenly challenge that was previously insurmountable
Complete a puzzle in The Oni's Club without stopping movement
Over-utilize the power of the foxfire
Lose a bowl in an attempt to take it to the next puzzle
Offer Magatama to the Kitsune in return for a favor
Stay off the ground at least 3.8 seconds
Complete an entire realm without collecting any optional Magatama
Split your soul as thin as possible
Dance with an Oni
Remove all matter in a single location in the Spacetime Realm
Try to push a Kappa out of the way
Tease a Kappa
Defeat a boss without retrying any puzzle sections
Defeat a boss without reversing any moves
Defeat the Kitsune of any realm
Offer more Magatama than you should for favors
Move tofu over 50 tiles without stopping or reversing
Complete a bonus puzzle
Complete all bonus puzzles in the game
Stumble into 60 different pitfalls in the realms of the foxes
Stumble into 30 different pitfalls in the realms of the foxes
Fall into five pitfalls in a single puzzle