Full list of all 24 Quest of Dungeons achievements worth 1,000 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Xbox One.
Defeated 3 ghosts of a past Hero
Completed Game in 30m
Completed 50 quests
Completed a Custom game in Hard or above with 10 floors
Collected 500k Gold
You listened until the end
Complete Game in Hell
Defeated 20 Bosses
Found 50 hidden stash
Completed Rackan Mansion
Purchased all stock from a shopkeeper
You Finished The Game in Easy Mode
Completed Game in Normal
Complete Game in Hard
Completed Game with Assassin
Unlocked a Chest
Defeated a Boss
Disarmed a trap that had loot!
Completed a quest
Unlocked a door
Beat Game with Shaman
Beat Game with Warrior
Beat Game with Wizard
Beat Game with NecroDancer