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