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