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.
Collect 100 keys.
Complete the game!
Defeat the Dragon Boss.
Resurrect more than 25 times.
Defeat the Stone Golem Boss.
Defeat the Butcher Boss.
Play over 100 levels!
Destroy 500 crates.
Defeat the Ancient Beholder Boss.
Kill more than 500 enemies.
Defeat the Orc Chief Boss.
Spend more than 1500 coins.
Receive a blessing from the Priest.
Destroy an arrow in mid-air.
Bought an amulet.
Bought a potion.
Read your first tome.
Bought a ring.
Bought some armor.
Bought a new weapon.
Leveled up for the first time!
Completed the training level.
Checked the map screen.