Here is the full list of all 26 Dungeon Quest achievements.
Entered the dungeon for the first time.
Travelled to the second floor of the Catacombs.
Found the hidden key in Floor 2 of the Catacombs.
Opened the chest containing a key on Floor 1 of the Catacombs.
Unlocked your first door.
Recruited a female ally.
Recruited a male ally.
Spoke to the town greeter.
Visited the Magic Shop.
Visited the Inn & Pub.
Visited the General Store.
Visited the Equipment Shop.
Entered the Caves.
Found the Enchanted Paddle.
Defeated Minotaur.
Entered the Forest.
Met a Pixie.
Visited Pixieville.
Spoke to the Queen of Pixieville.
Upgraded your Enchanted Paddle into Enchanted Wheel.
Frost Queen defeated.
Entered the Ancient Temple.
Completed the game.
Completed the game as Alistar the Champion.
Completed the game as Jennifer the Mage.
Completed the game as Lance the Assassin.