CDO2

Category	Size	Update
Strategy	659.1 MB	Jun 11,2025

Rate:

2.9

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Rate

2.9

Strategy

Application Description:

As the newly appointed Chief Dungeon Officer (CDO), your ultimate responsibility is to ensure your dungeon remains standing against endless waves of invading heroes. Wield the power of the Demon King and build an impenetrable fortress filled with terrifying monsters, clever traps, and powerful relics!

ㆍOver 90 Unique Monsters

Each monster in your dungeon possesses distinct attributes based on its type, race, and battlefield role. Strategically summon and combine these creatures to create powerful synergies that will overwhelm any hero foolish enough to enter your domain.

ㆍStrategic Item Selection

Enhance your dungeon with a wide variety of tactical items:

More than 80 types of Equipment: Equip individual monsters with gear that boosts their strength, survivability, or abilities.
Over 30 Totems: Place them strategically in dungeon rooms to activate powerful area effects.
90+ Relics: These dungeon-wide artifacts grant game-changing bonuses—choose wisely to match your playstyle.

Craft the perfect combination to dominate every invasion!

ㆍDynamic Random Events

Experience more than 100 immersive story-driven events that can change the fate of your dungeon. Stay prepared and adapt your strategy as new challenges arise!

ㆍEver-Evolving Dungeon Strategy

Plan for long-term survival by investing in research upgrades. Use Goblin Bandits to scavenge for resources, sacrifice monsters to empower your Demon King, and make crucial decisions that directly impact your dungeon’s success.

ㆍPowerful Secondary Attributes

Unlock significant advantages by increasing your secondary attribute levels. Earn these through gameplay and enjoy enhanced capabilities that shape your dungeon’s effectiveness.

ㆍChallenge Mode: Push Beyond the Limits

Survive for 50 years to officially clear the game, then dive into Challenge Mode for even harder content! As difficulty increases, so do the penalties—but also the rewards. Test your skills under extreme conditions and refine your strategy like never before.

ㆍCompetitive Endless Mode

Step into Competitive Mode and prove your dominance against other players without needing to restart. Rankings reset weekly, and new rewards are distributed every Monday. Each week brings fresh conditions and challenges—show off your strategic brilliance and climb the global leaderboards!

*Note: The game may not function optimally on PC emulators. For the best experience, we recommend playing on mobile devices.