Here is the full list of all 27 Minit achievements. It takes around 5-6 hours to unlock all of the achievements on Windows.
COMPLETE THE GAME IN 25 RUNS OR LESS
COMPLETE THE GAME WITH 100% OF THE ITEMS, COINS, AND HEARTS
FIND ALL ITEMS
FIND ALL COINS
FIND ALL HEARTS
SOLVE ALL THE PUZZLES IN THE SECRET TEMPLE
USE ALL TELEVATORS
FIND ALL TENTACLES
BRING A GIFT TO THE DOG
COMPLETE SECOND RUN
PLAY SOME REAL MUSIC
WATER THE DOG
LISTEN TO THE OLD PERSON
COMPLETE THE GAME
COMPLETE THE GAME WITHOUT KILLING ANY SNAKES
SHUT DOWN THE SWORD FACTORY
FIND ALL HOTEL GUESTS
FIND AND DEFEAT THE OASIS GHOST
TALK TO MARY
USE A TELEVATOR
VISIT THE ISLAND
FIND YOUR FIRST TENTACLE
UNLOCK A NEW HOME
FIND YOUR FIRST HEART
FIND AN ITEM, COIN, OR HEART WITH LESS THAN 1 SECOND LEFT
FIND YOUR FIRST COIN
FIND YOUR FIRST ITEM