Full list of all 42 Infernax achievements.
The base game contains 30 achievements, and there is 1 DLC pack containing 12 achievements.
Enter a code in the Game Wizard book
Travel to the future and defeat Azazel
Complete good playthrough
Defeat Belphegor, The Father of Destruction
Complete ultimate evil playthrough
Save at all statues after becoming evil
Slay Sir Tancred
Begin down the path of evil
Listen to Hans' story... ALL OF IT
Defeat 5 enemies with one Thunder/Fire storm
Up Up Down Down Left Right Left Right....etc
Complete ultimate good playthrough
Complete the game on Classic Mode
Defeat Alastor, The Hope Devourer
Obtain the final weapon
Get the Necronomicon from Robert's cold dead hands
Reflect a projectile and defeat 3 enemies
Obtain the final armor
Defeat Apollyon, The Cursed Cherubim
Cleanse the dreamscape
Have Gregor perform an exorcism
Defeat Leviathan, The Sunken Corruptor
Defeat Paimon again
Learn the Guided Strike Skill
Defeat Mahalmon, The Spewer of Lies
Defeat Kalamon, The Glutton of Pain
Summon the tornado
Complete evil playthrough
Complete the game as good after turning evil
Leave all the work to Tancred
Block a projectile with the Squire's shield on the ground
Complete a game with a friend
Fully upgrade all the Squire's tools
Make the Mayor work his core
Purchase an Evil tool for the Squire
Take a shortcut to Stormheim Castle's chest
Eat. the. wall. chicken.
Play a game with a friend... with guns...
Sleep until you can't sleep no more
Purchase the Squire his first tool
Turn around and take the boat
Parade your Duke in any village