Here is the full list of all 49 DungeonUp achievements.
Used Soul Stone to speed up the free key.
Finished Zone 5 without the Fire Sword.
Finished Zone 5 in Story Mode.
Opened all doors in a zone.
Revived the Dwarf King.
Had 18 keys in your keybag.
Finished Story Mode.
Finished Story Mode without buying keys.
Finished Story Mode without dying.
Picked up 100,000 gold.
Reforged the Fire Sword.
Hoarded 10,000 gold.
Defeated the Illusionist Lord three times.
Defeated the Dwarf Captain three times.
Defeated the Vampire King three times.
Used a Soul Stone to respawn.
Killed a boss with one blow.
Opened 1,000 doors.
Killed 10 monsters of the same kind in a row.
Finished Zone 4 in Story Mode.
Used a Soul Stone to purchase an item.
Spent 10 Soul Stones.
Finished Zone 3 facing the Dwarf Captain directly.
Finished Zone 3 in Story Mode.
Killed all monsters in a zone.
Finished Zone 2 in Story Mode.
Killed 1,000 monsters.
Killed a non-boss monster with one blow.
Finished Zone 1 without using a Bomb.
Defeated the Skeleton King three times.
Finished Zone 1 in Story Mode.
Finished the tutorial.
Defeated Zreluhm three times.
Defeated the Lamp Genie three times.
Finished Zone 2 without the Cross.
Finished Zone 4 without the Antimagic Ring.
Finished Story Mode without buying anything.
Finished Zone 1 in Maze Mode ten times.
Finished Zone 2 in Maze Mode ten times.
Finished Zone 3 in Maze Mode ten times.
Finished Zone 4 in Maze Mode ten times.
Finished Zone 5 in Maze Mode ten times.
Found 100 Secret Paths.
Finished Zone 1 in 5 minutes.
Finished Zone 2 in 10 minutes.
Finished Zone 3 in 15 minutes.
Finished Zone 4 in 20 minutes.
Finished Zone 5 in 25 minutes.
Bought three Red Keys.