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