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.
Collect 100 keys.
Defeat the Dragon Boss.
Complete the game!
Defeat the Stone Golem Boss.
Play over 100 levels!
Destroy 500 crates.
Defeat the Butcher Boss.
Kill more than 500 enemies.
Defeat the Ancient Beholder Boss.
Defeat the Orc Chief Boss.
Spend more than 1500 coins.
Receive a blessing from the Priest.
Bought a new weapon.
Bought a potion.
Bought an amulet.
Bought a ring.
Bought some armor.
Destroy an arrow in mid-air.
Leveled up for the first time!
Read your first tome.
Completed the training level.
Checked the map screen.