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