Here is the full list of all 23 Devious Dungeon achievements. It takes around 5-6 hours to unlock all of the achievements on Windows.
Resurrect more than 25 times.
Complete the game!
Defeat the Dragon Boss.
Defeat the Stone Golem Boss.
Collect 100 keys.
Defeat the Butcher Boss.
Defeat the Ancient Beholder Boss.
Play over 100 levels!
Destroy 500 crates.
Kill more than 500 enemies.
Destroy an arrow in mid-air.
Spend more than 1500 coins.
Defeat the Orc Chief Boss.
Read your first tome.
Bought a potion.
Bought a new weapon.
Receive a blessing from the Priest.
Bought a ring.
Bought an amulet.
Bought some armor.
Leveled up for the first time!
Completed the training level.
Checked the map screen.