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 SECOND RUN
COMPLETE THE GAME WITHOUT KILLING ANY SNAKES
COMPLETE THE GAME IN 25 RUNS OR LESS
FIND AN ITEM, COIN, OR HEART WITH LESS THAN 1 SECOND LEFT
COMPLETE THE GAME WITH 100% OF THE ITEMS, COINS, AND HEARTS
FIND ALL HEARTS
FIND ALL COINS
FIND ALL ITEMS
WATER THE DOG
BRING A GIFT TO THE DOG
USE ALL TELEVATORS
SOLVE ALL THE PUZZLES IN THE SECRET TEMPLE
FIND ALL TENTACLES
TALK TO MARY
COMPLETE THE GAME
SHUT DOWN THE SWORD FACTORY
FIND ALL HOTEL GUESTS
USE A TELEVATOR
VISIT THE ISLAND
LISTEN TO THE OLD PERSON
PLAY SOME REAL MUSIC
FIND YOUR FIRST TENTACLE
FIND AND DEFEAT THE OASIS GHOST
FIND YOUR FIRST HEART
UNLOCK A NEW HOME
FIND YOUR FIRST COIN
FIND YOUR FIRST ITEM