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