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