Here is the full list of all 12 Dawn achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
Obtain all other achievements.
Finish the game in five minutes or less.
Finish the game with seven or fewer vines grown.
Find the hidden sun.
Bounce on jump pads 15 times in a row.
Finish the game in autumn colors.
Finish the game with all vines grown.
Finish the game with all flowers bloomed.
Finish the game once.
Activate all ruins in one game.
Grow two or more vines at once.
Use the wind to recover from a fall.