Here is the full list of all 55 Pixel Heroes: Byte & Magic achievements.
Finish an adventure with an all-Dwarf party.
Defeat the boss of the Randoom Meteorite.
Listen to Layment, the travelling musicians.
Defeat the boss of the Ancient Temple.
Enter a bossfight with two alive heroes and be victorious.
Finish an adventure with an all-Human party.
Defeat the boss of the Cyclopean Pyramid.
Uncover the dark secret of the casino owner.
Defeat the boss of the Arcane Armory.
Finish 6 dungeons during one adventure.
Defeat the boss of the Haunted Mansion.
Evade an attack by the use of Concealed.
Defeat the boss of the Goblin Outpost.
Defeat the boss of the Sunken Empire.
Defeat the inscrutable flying polyp.
Survive through 3 dungeons in a row.
Defeat the boss of the DevilsReef.
Revive 3 fallen heroes during one adventure.
Defeat the boss of the Byting Woods.
Enter a bossfight with a single alive hero and be victorious.
Defeat the captor of souls himself.
Defeat the boss of The Boneyard.
Use 50 potions during one adventure.
Unlock a treasure chest with no more than 20% chance.
Lose all your heroes for the first time.
Drink 100 glasses of beer during one adventure.
Defeat three enemies with one hit.
Finish your first quest.
Defeat the boss of the Stormy Peaks.
Defeat your first enemy.
Defeat the boss of the Gates of Ashtur.
Help Mustachio on his path to self-fulfillment.
Help Captain Capslock on his path to self-fulfillment.
Help Sapphire on her path to self-fulfillment.
Help Shroom on his path to self-fulfillment.
Help Jindid on his path to self-fulfillment.
Finish a complete adventure without dying once.
Defeat the boss of Old Volcano.
Lose 10 times.
Lose 50 times.
Lose 100 times.
Finish an adventure with an all-Skyborn party.
Defeat an enemy only with the fist.
Finish an adventure with Herbalist, Priest and Brewmaster.
Finish an adventure with Fighter, Barbarian and Warrioress.
Finish an adventure with Enchantress, Shadowmancer and Skyweaver.
Solve all four riddles of the enigmatic idols.
Reach 500 HP with one hero.
Finish the final campaign without a hero dying.
Listen to all stories of the barkeeper.
Lead all citizens to maximum happiness.
Unlock all hero classes.
Play at least once with each hero class.
Finish an adventure with each hero class.
Escape the red flyswarm 4 times.