Here is the full list of all 14 INSIDE achievements. It takes around 3-4 hours to unlock all of the achievements on Windows.
It comes together
Unearthing secrets
Hanging up
Pull together
Shadows at noon
Dive back in
Take a deep breath
Dislodging derelict in the depths
Skipping stones at the beach
Do an elevator pitch
They never made it to market
Lies beneath the city
Safe falling and hard landings
Something’s not right down here