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