CDO2

Take on a dungeon and defeat the invading Heroes!

Step into the role of Chief Dungeon Officer (CDO)!

Your sole mission is to keep your dungeon operational for as long as you can.

Take command of the Demon King and deploy monsters to fend off relentless waves of heroes!

ㆍOver 90 unique monsters

Monsters boast unique attributes based on their type, race, and role.

Summon the right monsters to create powerful synergies from their combined traits!

ㆍDiverse items that demand strategy

Choose from over 80 pieces of equipment for individual monsters.

More than 30 kinds of Totems to place in each dungeon room.

Over 90 Relics that provide effects to your entire dungeon!

Select the optimal items to complement your strategic approach!

ㆍRandom events

Discover more than 100 events, each with its own story.

Review the upcoming event list and devise your best tactical plan!

ㆍThe dungeon's fate can change in an instant

Invest in long-term research projects,

Utilize Goblin Bandits and raids to bolster scarce resources,

Have your Demon King consume monsters to enhance his stats,

Make critical decisions and witness their impact in battle!

ㆍPermanent secondary attributes

Unlock 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 rises, penalties stack up.

Test your personal strategy under extreme conditions!

ㆍEndless competitive mode

A competitive mode where you battle other users with no fixed end point.

Rankings reset weekly, with rewards distributed every Monday.

Showcase your skills under new weekly conditions!

*The PC app player may not function correctly. For the best experience, please play 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 Updates

Please check the in-game patch notes for full details.