You are now a Chief Dungeon Officer (CDO)!
Your one and only mission is to keep your dungeon running as long as possible.
Command the Demon King and deploy monsters to keep out the hordes of heroes!

◆ More than 90 different monsters
Monsters with unique attributes depending on their type, race, and role!
Summon the appropriate monsters for the best synergy between their attributes!

◆ Various items requiring strategic choices
More than 80 kinds of equipment that can be worn by individuals monsters.
More than 30 kinds of Totems that can be placed in each room of the dungeon.
More than 90 kinds of Relics that grant effects to the entire dungeon!
Choose the best items to match your strategy!

◆ Random events
More than 100 events with their own stories!
Check out the list of upcoming events and come up with the best strategy!

◆ The dungeon's fate can change in a moment
Invest in long-term research,
Make use of Goblin Bandits and pillaging to make up for scarce resources,
Have your Demon King consume monsters to raise his stats,
Make choices and see how they play out in battle!

◆ Permanent secondary attributes
Gain incredible advantages according to the level of secondary attributes.
Earn as many as you can through gameplay!

◆ Reach your limits, and beyond!
Reach 50 years to clear the game, and then carry on through Challenge Mode at a higher difficulty!
As the difficulty increases, penalties accumulate.
Try your own strategy in extreme conditions!

◆ Longer than a year, competitive mode
Competitive mode that competes with other users without a separate clear!
Rewards are given every Monday with ranking initialization.
Show off your skills under different conditions every week!