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