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