Here is the full list of all 19 To The Core achievements. It takes around 12-15 hours to unlock all of the achievements on Windows.
buy the vision 1 upgrade
buy the vision 2 upgrade
buy the vision 3 upgrade
buy the vision 4 upgrade
buy the vision 5 upgrade
Break 1000 blocks in the milestone
Break 100K blocks in the milestone
Break 1M blocks in the milestone
Break 10M blocks in the milestone
Prestige for the first time
prestige 10 times
prestige 50 times
get 1 million coins
get 1 billion coins
get 1 trillion coins
get 1 quadrillion coins
complete the tutorial
beat the game
prestige 500 times