Take on a dungeon and defeat the invading Heroes!
You are now the Chief Dungeon Officer (CDO)!
Your sole mission is to keep your dungeon operational for as long as you can.
Command the Demon King and deploy monsters to fend off relentless hordes of heroes!
ㆍOver 90 unique monsters
Monsters possess distinct attributes based on their type, race, and role!
Summon the right monsters to create powerful synergies between their abilities!
ㆍDiverse items for strategic gameplay
More than 80 pieces of equipment that individual monsters can wear.
Over 30 different Totems to place in each dungeon room.
More than 90 Relics that provide effects to your entire dungeon!
Select the optimal items to complement your strategy!
ㆍRandom events
Experience over 100 events, each with its own storyline!
Review upcoming events and devise the best plan of action!
ㆍThe dungeon's fate can shift in an instant
Invest in long-term research projects,
Utilize Goblin Bandits and plundering to compensate for scarce resources,
Have your Demon King consume monsters to boost his stats,
Make critical decisions and witness their impact in battle!
ㆍPermanent secondary attributes
Gain incredible advantages based on your secondary attribute levels.
Acquire as many as possible through gameplay!
ㆍPush past your limits!
Survive 50 years to complete the game, then continue in the higher-difficulty Challenge Mode!
As difficulty escalates, penalties stack up.
Test your personal strategy under extreme conditions!
ㆍOngoing competitive mode
A competitive mode where you vie against other users with no separate end condition!
Rewards are distributed weekly every Monday, with rankings reset.
Showcase your skills under new weekly conditions!
*The PC app player may not function correctly. We recommend playing on mobile.
What's New in the Latest Version 02.27.03
Last updated on Nov 6, 2024
CDO2: Dungeon Defense ver 02.27.03
- Bug Fixes, Other Improvements
CDO2: Dungeon Defense ver 02.27.02
- Bug Fixes
CDO2: Dungeon Defense ver 02.27.01
- Other Changes
Please refer to the in-game patch notes for details.
Tags : Strategy