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