Here is the full list of all 202 Book of Demons achievements.
Clear 500 dungeon levels
Gain all other gold level achievements in Book of Demons
Resurect yourself 10 times in Rogulike mode playing one character
Gain all other silver level achievements in Book of Demons
Resurect yourself 5 times in Rogulike mode playing one character
Let the Healer heal you 300 times
Upgrade all Mage's Cards to level 3
Upgrade all Warrior's Cards to level 3
Reach a level cap with all three class heroes
Reach a level cap with two different class heroes
Spent 100 000 gold on healing and restoring mana at Healer's
Upgrade all Rogue's Cards to level 3
Spent 50 000 gold on healing and restoring mana at Healer's
Unlock a Massacre difficulty with all heroes
Leave 200000 footprints in the dungeon
Shoot 10000 equiped arrows (Rogue only)
Upgrade all Rogue's Cards to level 2
Scare 100 monsters with a single Fear card use (Rogue only)
Defeat 200 monsters in 10 seconds
Let the Healer heal you 100 times
Scare 50 monsters with a single Fear card use (Rogue only)
Barrel, barrel, Zombie, barrel. Barrel, barrel, Zombie, crap!
Defeat 500 boss monsters
Throw bombs 500 times (Warrior only)
Upgrade all Warrior's Cards to level 2
Unlock Nightmare difficulty with all heroes
Gain all other bronze level achievements in Book of Demons
Spent 10 000 gold on healing and restoring mana at Healer's
Unlock Hard difficulty with all heroes
Shoot 1000 equiped arrows (Rogue only)
Find all of Rogue's Cards
Reach and defeat Archdemon in Roguelike mode without using any fountain
Pick 1000 mana globes from the ground
Defeat the Archdemon with all three heroes
Pick up 1000 crap
Scare 10 monsters with a single Fear card use (Rogue only)
Pick 500 mana globes from the ground
Reach and defeat Antipope in Roguelike mode without using any fountain
Defeat the Antipope with all three heroes
Shoot 100 equiped arrows (Rogue only)
Defeat the Cook with all three heroes
Reach and defeat Cook in Roguelike mode without using fountains
Equip all the card slots with level 3 magic cards
Finish a big Freeplay game on Hard difficulty without any form of healing
Finish a big Freeplay game on Nightmare difficulty without any form of healing
Finish a big Freeplay game on Massacre difficulty without any form of healing
Charge your cards 100 times at the Fortune Teller's
Defeat 1000 Ghosts
Reach a level cap (level 50) with any hero
Downgrade 1 legendary card
Finish 100 games
Upgrade all Mages's Cards to level 2
Master all level 3 quests
Master all level 2 quests
Destroy 100000 monster hearts in total
Master all level 1 quests
Finish a medium or longer Freeplay game on Nightmare difficulty without equipping any card
Finish a medium or longer Freeplay game on Massacre difficulty without equipping any card
Finish a medium or longer Freeplay game on Hard difficulty without equipping any card
Charge your cards 50 times at the Fortune Teller's
Equip all the card slots with at least level 3 cards
Equip all the card slots with at least level 2 legendary cards
Equip all the card slots with level 3 legendary cards
Finish a big Freeplay game on Massacre difficulty receiving all the badges
Finish a big game on Massacre difficulty without dying
Defeat 150 monsters in 15 seconds
Leave 100000 footprints in the dungeon
Equip all the card slots with at least level 1 legendary card
Master any quest for 3 stars
Defeat 300 monsters that are frozen
Finish a big Freeplay game on Nightmare difficulty receiving all the badges
Equip a slot with a card 500 times in total
Finish a big game on Nightmare difficulty without dying
Equip all the card slots with at least level 1 magic card
Equip all the card slots with at least level 2 magic cards
Master a quest for 2 stars
Master any quest for 1 star
Defeat 300 monsters with poison
Destroy 5000 empty barrels in the dungeon
Bash 9 monsters with a single Charge card use (Warrior only)
Equip all the card slots with at least level 2 cards
Finish a big game on Hard difficulty without dying
Finish a big Freeplay game on Hard difficulty receiving all the badges
Throw bombs 100 times (Warrior only)
Bash 6 monsters with a single Charge card use (Warrior only)
Bash 3 monsters with a single Charge card use (Warrior only)
Finish 5 dungeon levels without backtracing your steps
Defeat 100 monsters that are frozen
Find all of Mage's Cards
Finish 3 dungeon levels without backtracing your steps
Finish a dungeon level without backtracing your steps
Summon a golem 200 times (Mage only)
Spent 1000000 gold
Finish hell without dying
Defeat Archdemon without purchasing Cauldron
Defeat the Archdemon with any second hero
Defeat 1000 Gargoyles
Summon a golem 50 times (Mage only)
Dispell 9 spells and skills with a single Mass Dispell card use (Mage only)
Dispell 6 spells and skills with a single Mass Dispell card use (Mage only)
Finish catacombs without dying
Defeat Antipope without purchasing Cauldron
Defeat the Antipope with any second hero
Dispell 3 spells and skills with a single Mass Dispell card use (Mage only)
Summon a golem 5 times (Mage only)
Finish 20 games in a row without dying
Defeat 1000 Goatmen
Finish maze without dying
Defeat the Cook with any second hero
Defeat Cook without purchasing Cauldron
Interrupt 500 enemy's spells or skills
Pick 50 mana globes from the ground
Finish 10 games in a row without dying
Defeat 30 monsters that are frozen
Finish 25 games
Talk 50 times with villagers
Resurect yourself once in Rogulike mode playing one character
Only 5 ingredients and the achievement might be yours!
Identify 50 cards with Sage
Collect 13 stars in a single game
Destroy 1000 enemy's shields
Equip all the card slots with at least level 1 cards
Unlock all 10 card slots
Miss 5000 times
Have 2 golden awards in cauldron
By your powers combined I am Captain Planet
Find all of Warrior's Cards
Let the Healer heal you 30 times
Have 1 golden award in cauldron
Downgrade 1 magic card
Defeat the Archdemon with any hero
Defeat 100 monsters in 20 seconds
Charge your cards 10 times at the Fortune Teller's
Defeat 100 monsters with poison
Destroy 500 Slimy Spores before they explode
Equip a slot with a card 100 times in total
Downgrade 1 card
Destroy 500 enemy's shields
Clear 50 dungeon levels
Defeat 1000 Demons
Defeat 50 boss monsters
Destroy 10000 monster hearts in total
Defeat the Antipope with any hero
Defeat 1000 Skeletons
Identify 20 cards with Sage
The crows are singing, winter must be coming...
Defeat 1000 Zombies
Interrupt 100 enemy's spells or skills
Throw bombs 10 times (Warrior only)
Defeat 100 Demons
Talk 25 times with villagers
Defeat 30 monsters with poison
Spent 100000 gold
Unlock the 7th cards slot
Defeat 1000 Spiders
Pick 1000 hearts from the ground
Unlock very big flexiscope game size
Finish 5 games in a row without dying
Defeat 10 Demons
Pick up 100 crap
Destroy 50 Slimy Spores before they explode
Burn 300 monsters to ashes
Leave 10000 footprints in the dungeon
Defeat 100 Ghosts
Destroy 500 empty barrels in the dungeon
Destroy 100 enemy's shields
Defeat 100 Goatmen
Burn 100 monsters to ashes
Buy content of the Magical Cauldron 10 times
Pick 500 hearts from the ground
Defeat 100 Spiders
Miss 500 times
Burn 30 monsters to ashes
Defeat 10 Ghosts
Defeat 10 Goatmen
Unlock big flexiscope game size
Defeat the Cook with any hero
Defeat 10 Spiders
Destroy 5 Slimy Spores before they explode
Finish 5 games
Defeat 100 Gargoyles
Interrupt 10 enemy's spells or skills
Destroy 1000 monster hearts in total
Identify your first card with Sage
Pick 50 hearts from the ground
Defeat 5 boss monsters
Defeat 100 Zombies
Buy content of the Magical Cauldron 5 times
Equip a slot with a card 10 times in total
Defeat 100 Skeletons
Unlock medium flexiscope game size
Clear 5 dungeon levels
Miss 50 times
Unlock fourth card slot
Spent 1000 gold
Pick up 10 crap
Destroy 50 empty barrels in the dungeon
Defeat 10 Gargoyles
Defeat 10 Zombies
Buy content of the Magical Cauldron for the first time
Talk 5 times with villagers
Defeat 10 Skeletons