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.
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
Take a midnight stroll with Jefferson
Beat the game
Beat the game only ever using an umbrella as your melee weapon
Listen to Barb's magnum opus
All seeds collected and planted
Find all shrines
Purchase 12 stat upgrades
Upgrade the arrow ability
Upgrade the hookshot ability
Collect all weapons
Gain a devoted fan
Upgrade the bomb ability
Max out any of the 4 stats
Accept Jefferson's Soup
Access Pothead's secret garden
Upgrade the fire ability
Have a gang of 10+ forest spirits follow you