No missable achievements (plus 20 unknown)
Sign in with Steam or Xbox to track your progress, and:
Pre-Order game OR Complete all 3 campaigns on Hard
Kill 25 Creatures using Lightning Strike.
Max out a trait ability.
Complete the Mines of Lorwich Campaign.
HP dropped to 10% or lower, but still survived the level.
Killed 500 Creatures.
Complete the Tomb Beneath the Graves Campaign.
Kill 25 creatures using Wrath of God. (Priest Only)
Complete the Cursed Railroad Campaign.
Kill 100 Creatures using a shotgun.
Reach level 20 as the Hunter.
Complete the Mines of Lorwich Campaign in Multiplayer mode.
Reach level 20 as the Witch.
Kill 100 Creatures using a Flamethrower.
Reach Level 20 as the Engineer.
Complete the Tomb Beneath the Graves Campaign in MultiPlayer mode.
Reach Level 20 as the Priest.
Complete the Cursed Railroad Campaign in Multiplayer mode.
Killed a Creature with a single blow.
Complete every level on insane difficulty level.