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