Embark on dungeon runs and triumph over heroic invaders!

Assume the role of Chief Dungeon Officer (CDO)!

Your ultimate objective is to sustain your dungeon's operations for as long as possible.

Take command of the Demon King and strategically deploy monsters to repel waves of adventurers!

ㆍOver 90 unique monster types

Monsters with distinct characteristics based on their species, class, and function!

Assemble the perfect monster combinations for optimal attribute synergy!

ㆍDiverse strategic equipment options

Access to 80+ pieces of monster-specific gear.

Discover 30+ deployable Totems for dungeon room enhancements.

Unlock 90+ powerful Relics with global dungeon effects!

Select ideal equipment to complement your tactical approach!

ㆍDynamic random encounters

Experience 100+ story-driven events!

Plan your strategies by anticipating upcoming events!

ㆍDramatic turnarounds await

Invest in progressive research,

Utilize Goblin Bandits for resource acquisition,

Strengthen your Demon King through monster consumption,

Witness the consequences of your tactical decisions unfold!

ㆍPermanent secondary traits

Unlock powerful advantages through secondary attribute progression.

Accumulate these bonuses through dedicated gameplay!

ㆍPush beyond conventional limits!

Complete the 50-year campaign and test your skills in heightened Challenge Mode!

Face progressively accumulating difficulty penalties.

Prove your strategies under extreme circumstances!

ㆍEndless competitive challenges

Engage in ongoing competition against other players rather than fixed completion.

Weekly rewards distribution with ranking resets.

Demonstrate your adaptability to weekly changing conditions!

*PC compatibility may vary. Recommended platform: mobile devices.

Latest Version 02.27.03 Updates

Updated: November 6, 2024

CDO2: Dungeon Defense version 02.27.03
- General bug fixes and improvements

CDO2: Dungeon Defense version 02.27.02
- Bug resolutions

CDO2: Dungeon Defense version 02.27.01
- Miscellaneous updates

Complete patch details available in-game.