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