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