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