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