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