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