CDO2: Dungeon Defense
GIGR Inc. Games iPhoneiPadiPod touch
CDO2: Dungeon Defense is a free Games app for iPhone and iPad by GIGR Inc. Rated 4.7/5 from 35 ratings. Requires iOS 15.0. Updated August 24, 2026.
- Rating
- 4.7
- 35 ratings
- Price
- Free
- on the App Store
- Size
- 373 MB
- Age 12+
- Updated
- Aug 24
- 2026 · v03.01.071
Screenshots
About CDO2: Dungeon Defense
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! ◆ More 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! ◆ Various 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! ◆ Random events More than 100 events with their own stories! Check out the list of upcoming events and come up with the best strategy! ◆ The 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! ◆ Permanent secondary attributes Gain incredible advantages according to the level of secondary attributes. Earn as many as you can through gameplay! ◆ Reach 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! ◆ Longer 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!
Ratings & reviews
4.7
35 ratings
What’s new
Version 03.01.071 · Updated August 24, 2026
v.03.01.07 [Bug Fixes] - Fixed an issue where the levels of Undead units were applied above the normal limit under certain conditions.
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App privacy
The developer, GIGR Inc., reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Usage Data: Advertising Data
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Usage Data: Advertising Data
- Identifiers: User ID
Used for: Third-Party Advertising, Product Personalization, App Functionality
Alternatives to CDO2: Dungeon Defense
Looking for apps like CDO2: Dungeon Defense? Here are 6 similar apps on the App Store. The highest rated is Management : Lord of Dungeons (4.7/5), and all 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| CDO2: Dungeon Defense | 4.7 / 5 (35 ratings) | Free | August 24, 2026 | |
| Management : Lord of Dungeons | 4.7 / 5 (436) | Free | Apr 28, 2026 | Compare |
| Idle Dungeon Manager | 4.3 / 5 (24) | Free | Apr 21, 2025 | Compare |
| The Strongest Guild | 3.4 / 5 (8) | Free | Oct 26, 2025 | Compare |
| Chat RPG: Plus - Idle Text RPG | 2.4 / 5 (5) | Free | Jul 15, 2024 | Compare |
| Dungeon Keeper Kim | 3.7 / 5 (3) | Free | Jan 27, 2026 | Compare |
| Pocket Dungeon Kingdom secret | 3.0 / 5 (2) | Free | Jun 21, 2025 | Compare |