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
SHUT DOWN THE SWORD FACTORY
BRING A GIFT TO THE DOG
FIND ALL HOTEL GUESTS
USE ALL TELEVATORS
TALK TO MARY
USE A TELEVATOR
VISIT THE ISLAND
FIND YOUR FIRST TENTACLE
FIND AN ITEM, COIN, OR HEART WITH LESS THAN 1 SECOND LEFT
WATER THE DOG
FIND AND DEFEAT THE OASIS GHOST
FIND YOUR FIRST COIN
UNLOCK A NEW HOME
FIND YOUR FIRST HEART
LISTEN TO THE OLD PERSON
PLAY SOME REAL MUSIC
FIND YOUR FIRST ITEM
FIND ALL ITEMS
FIND ALL COINS
FIND ALL HEARTS
FIND ALL TENTACLES
SOLVE ALL THE PUZZLES IN THE SECRET TEMPLE
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