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