Full list of all 43 AMID EVIL achievements. It takes around 12-15 hours to unlock all of the achievements in the base game on Windows.
The base game contains 37 achievements, and there is 1 DLC pack containing 6 achievements.
Experience each type of death
Find an obscure reference
Kill all enemies in an episode
Find the hidden developer room
Find the idol of the ancient god
Rest easy.
Beat the Abyss
Beat Solar Solstice
Beat the Forges
Beat the Arcane Expanse
Extend soul mode for 30 seconds
Get all awards in a level
Beat the Sacred Path
Blow up the earth
Finish a level with no mana
Beat Domain of the Sentinels
Get 100 Overkills
Banish 10 enemies into a black hole
Beat a level's par time
Get through a level without killing anything
Don't pickup anything in a level
Read all inscriptions in a level.
Destroy all decorations in a level
Finish a level with full mana
Find all the secrets in a level
Finish a level with soul mode on
Use each weapons soul mode attack once
Kill 10 enemies in under 10 seconds with the Axe
Use a cheat code
Find Evil Difficulty
Quit the game
Die in the Gateway
Kill all enemies in a level
Beat Astral Equinox
Destroy 5 enemies with a single sun
Finish a level with less than 10 health
Use the Axe underwater, in soul mode.
Kill 15 enemies in under 10 seconds with the gauntlets
Find the 3 Developer Artifacts
Kill 10 enemies with the Void Splitter's soul mode attack
Defeat the Thunder Spirit
Defeat the creature
Beat the Black Labyrinth