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