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Verified sources, benchmarks and filters
Rating
4.0
Category Avg
4.1
Δ vs Avg
-0.0
Additional Information
Platform
Android / iOS
Installs
500,000+
Price
Free
IAP
$0.99 - $38.99 per item
Developer
Brave Beginners
Size
58.9 MB
Updated
2025-11-06
Version
03.00.02
Android
Android 7.0+
iOS
-
Screenshots






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Description
You are now a Chief Dungeon Officer (CDO)!
Your one and only mission is to keep your dungeon running as long as possible.
Command the Demon King and deploy monsters to keep out the hordes of heroes!
ㆍMore than 90 different monsters
Monsters with unique attributes depending on their type, race, and role!
Summon the appropriate monsters for the best synergy between their attributes!
ㆍVarious items requiring strategic choices
More than 80 kinds of equipment that can be worn by individuals monsters.
More than 30 kinds of Totems that can be placed in each room of the dungeon.
More than 90 kinds of Relics that grant effects to the entire dungeon!
Choose the best items to match your strategy!
ㆍRandom events
More than 100 events with their own stories!
Check out the list of upcoming events and come up with the best strategy!
ㆍThe dungeon's fate can change in a moment
Invest in long-term research,
Make use of Goblin Bandits and pillaging to make up for scarce resources,
Have your Demon King consume monsters to raise his stats,
Make choices and see how they play out in battle!
ㆍPermanent secondary attributes
Gain incredible advantages according to the level of secondary attributes.
Earn as many as you can through gameplay!
ㆍReach your limits, and beyond!
Reach 50 years to clear the game, and then carry on through Challenge Mode at a higher difficulty!
As the difficulty increases, penalties accumulate.
Try your own strategy in extreme conditions!
ㆍLonger than a year, competitive mode
Competitive mode that competes with other users without a separate clear!
Rewards are given every Monday with ranking initialization.
Show off your skills under different conditions every week!
*It may not work properly on your PC app player. Please play on mobile as much as possible.
Your one and only mission is to keep your dungeon running as long as possible.
Command the Demon King and deploy monsters to keep out the hordes of heroes!
ㆍMore than 90 different monsters
Monsters with unique attributes depending on their type, race, and role!
Summon the appropriate monsters for the best synergy between their attributes!
ㆍVarious items requiring strategic choices
More than 80 kinds of equipment that can be worn by individuals monsters.
More than 30 kinds of Totems that can be placed in each room of the dungeon.
More than 90 kinds of Relics that grant effects to the entire dungeon!
Choose the best items to match your strategy!
ㆍRandom events
More than 100 events with their own stories!
Check out the list of upcoming events and come up with the best strategy!
ㆍThe dungeon's fate can change in a moment
Invest in long-term research,
Make use of Goblin Bandits and pillaging to make up for scarce resources,
Have your Demon King consume monsters to raise his stats,
Make choices and see how they play out in battle!
ㆍPermanent secondary attributes
Gain incredible advantages according to the level of secondary attributes.
Earn as many as you can through gameplay!
ㆍReach your limits, and beyond!
Reach 50 years to clear the game, and then carry on through Challenge Mode at a higher difficulty!
As the difficulty increases, penalties accumulate.
Try your own strategy in extreme conditions!
ㆍLonger than a year, competitive mode
Competitive mode that competes with other users without a separate clear!
Rewards are given every Monday with ranking initialization.
Show off your skills under different conditions every week!
*It may not work properly on your PC app player. Please play on mobile as much as possible.
Gameplay Mechanics & Difficulty
Game Mechanics
Core Loop: CDO2:Dungeon Defense focuses on a repeatable loop of play → upgrade → progress, typical for Action games.
Controls: Touch controls (tap / swipe). Exact mappings may vary by mode and device.
Progression: Progression usually comes from completing runs/levels, unlocking upgrades, and improving mastery over time.
Modes: Main gameplay, Optional challenges (if available)
Mechanics Demo (What you do in-game):
- Start a run / level and learn the basic controls.
- Use your primary actions to handle objectives and threats.
- Pick upgrades / items to shape your build for the current run.
- Complete the stage and use rewards to unlock longer-term progression.
Difficulty Curve
- Early game: Generally approachable: tutorials and early content help you learn the basics.
- Mid game: Complexity increases as enemy patterns/objectives diversify and builds matter more.
- Late game: Challenge is typically driven by build optimization, execution consistency, and higher difficulty content (if present).
- Skill ceiling: Moderate to high depending on Action depth and available modes.
- Accessibility: Look for accessibility settings (graphics, controls, difficulty) in the in-game options if provided.
- Best for: Players who enjoy learning systems and improving efficiency over time.
FAQ
Frequently Asked Questions
Is CDO2:Dungeon Defense free to play?
Pricing can differ by region and platform. Check the store listing for the latest price and offers.
Does it contain ads?
Ad behavior varies by version/region. Refer to the store “Data safety / Ads” disclosures and the in-game settings.
Are there in-app purchases (IAP)?
The store listing indicates IAP range: $0.99 - $38.99 per item.
Does it work offline?
Some games support offline play, but features like cloud saves, events, or ads may require internet. Try airplane mode to verify.
Why is performance different across devices?
Performance depends on chipset, RAM, OS version, graphics settings, and thermal conditions. Lower settings and close background apps for smoother play.
Pros & Cons
Pros
- CDO2:Dungeon Defense offers fun action gameplay.
- Players rate it around 4.0/5 in the store.
- Downloaded over 500,000 times worldwide.
- Free to download with optional in‑app purchases.
Cons
- Contains in‑app purchases that may speed up progression.
- May show ads or promotional content during gameplay.
- Requires a compatible device and storage space to run smoothly.
- Not ideal if you are not a fan of action games.
User Feedback & Verified Reviews
Verified Player Reviews
✓ Verified
"Great game! CDO2:Dungeon Defense delivers exactly what it promises. Highly recommended!"
2026-03-06
Player Testimonials
- "I've been playing CDO2:Dungeon Defense for months and it's still engaging!"
- "The gameplay is smooth and the graphics are impressive."
Privacy, Ads & Support
Advertising Policy
Contains Ads: Yes
Ad Types: Banner ads, Interstitial ads
Disable Ads: Available through in-app purchase
Reviews
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