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