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