Here is the full list of all 24 Death's Door achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.
100% Complete the game
???
Take a midnight stroll with Jefferson
Meet with 3 owls
Collect all shiny things
Beat the game
Beat the game only ever using an umbrella as your melee weapon
Listen to Barb's magnum opus
Find all shrines
All seeds collected and planted
Purchase 12 stat upgrades
Collect all weapons
Upgrade the hookshot ability
Upgrade the arrow ability
Upgrade the fire ability
Upgrade the bomb ability
Access Pothead's secret garden
Gain a devoted fan
Feed the Frog King an explosive treat
Max out any of the 4 stats
Accept Jefferson's Soup
Set Grandma's pot on fire
Trigger the metal detector without detecting a threat
Have a gang of 10+ forest spirits follow you