CDO2

CDO2 Rate : 2.9

Download
Application Description

As the Chief Dungeon Officer (CDO) in CDO2: Dungeon Defense, your primary goal is to maintain and defend your dungeon against relentless heroes for as long as possible. Here's how you can optimize your strategy and utilize the game's features to maximize your dungeon's longevity and success:

Deploying Monsters Strategically

With over 90 different monsters at your disposal, each with unique attributes based on their type, race, and role, it's crucial to summon the right combination to achieve the best synergy. Consider the strengths and weaknesses of your monsters and match them against the heroes you anticipate facing. This strategic deployment can significantly enhance your dungeon's defense.

Utilizing Items for Maximum Effect

  • Equipment: Equip your monsters with over 80 different types of gear to enhance their individual capabilities. Choose equipment that complements the monsters' natural strengths and covers their weaknesses.
  • Totems: Place more than 30 kinds of Totems in each room of your dungeon. These can provide room-specific boosts that can turn the tide of battle in your favor.
  • Relics: Utilize over 90 kinds of Relics to grant beneficial effects across your entire dungeon. Select Relics that align with your overall strategy to ensure comprehensive coverage and support.

Leveraging Random Events

With more than 100 events, each with its own unique story, staying informed about upcoming events is vital. Plan your strategy around these events to take advantage of the opportunities they present. Whether it's a sudden influx of resources or a temporary boost to your monsters' abilities, being prepared can make all the difference.

Adapting to Changing Conditions

  • Long-term Research: Invest in research to unlock new technologies and upgrades that can bolster your dungeon's defenses over time.
  • Resource Management: Use Goblin Bandits to pillage and gather scarce resources. This can be a lifeline when your dungeon is under siege and resources are dwindling.
  • Demon King's Power: Have your Demon King consume monsters to increase his stats. This can provide a significant boost to your dungeon's overall strength.

Enhancing Secondary Attributes

Focus on accumulating permanent secondary attributes, which can offer substantial advantages. The more you earn through gameplay, the stronger your dungeon becomes.

Pushing Beyond Limits

Your ultimate goal is to reach 50 years to clear the game, but the challenge doesn't end there. Enter Challenge Mode for an increased difficulty level and accumulating penalties. This mode tests your strategic prowess under extreme conditions, pushing you to refine your tactics further.

Competitive Mode

Engage in the longer-than-a-year competitive mode, where you'll face off against other users without a specific clear condition. Rankings are reset every Monday, offering fresh opportunities to showcase your skills under varying weekly conditions. This mode is perfect for those looking to prove their mastery of dungeon defense.

Latest Updates

The latest version, 02.27.03, released on November 6, 2024, includes essential bug fixes and other improvements. For detailed patch notes, please refer to the in-game notifications. Previous versions 02.27.02 and 02.27.01 also focused on bug fixes and other enhancements.

Note: For the best gaming experience, it's recommended to play CDO2: Dungeon Defense on a mobile device, as it may not function optimally on PC app players.

By leveraging these strategies and staying updated with the latest game developments, you can keep your dungeon running and thriving against the hordes of heroes.

Screenshot
CDO2 Screenshot 0
CDO2 Screenshot 1
CDO2 Screenshot 2
CDO2 Screenshot 3
Latest Articles More
  • Honkai Star Rail Launches Repose Chapter Update

    Version 3.2 of Honkai: Star Rail introduces a wealth of new content for players.Two new five-star characters, Castorice (Remembrance) and Anaxa (Erudition), have arrived.Special events and activities are planned to celebrate the game's second anniver

    Jan 23,2026
  • Palworld's Switch Port Halted by Technical Hurdles, Not Pokemon

    While not completely dismissing the possibility of a Switch version, Palworld CEO Takuro Mizobe has highlighted the technical challenges involved in bringing the game to the Nintendo platform.Related VideoIs a Switch Version of Palworld Feasible?Tech

    Jan 23,2026
  • Pokémon Go Fest 2025: Ancient Giants Emerge

    Pokémon GO is paving the way for the global GO Fest 2025 celebration with a packed lineup. Three new themed events are arriving, alongside the return of legendary titans and some Gigantamax Pokémon.Pokémon Go Global Go Fest 2025: All Events DetailedF

    Jan 22,2026
  • Eterspire update adds maps, servers, progression

    Three brand-new maps expand the Arid Ridge regionMulti-server functionality arriving with this updateRevamped hunt system delivers more rewarding progressionEterspire's previous major update introduced expansive story content and a significant main q

    Jan 22,2026
  • Ragnarok X: Assassin Class Guide

    In Ragnarok X: Next Generation, Assassins strike fear into enemies as the game's ultimate precision killers. Rising through the Thief job lineage, these swift predators specialize in lightning-fast bursts, tactical repositioning, and devastating crit

    Jan 22,2026
  • Dune: Awakening Release Date Set, Free Updates Confirmed

    Funcom, developer of Dune: Awakening, has shared new details about the game's pricing structure and long-term roadmap, clarifying that the May 20 release marks the complete launch—not an Early Access phase.The multiplayer survival title draws inspira

    Jan 21,2026