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