Castle Defense Online

Contains adsIn-app purchases
4.2
21.9K reviews
1M+
Downloads
Content rating
Everyone 10+
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About this game

The world's first real-time multiplayer defense game.
Castle Defense Online!

1. 4 users can play cooperatively in real time.
2. Easy control with 2D horizontal scroll.
3. Collect unique characters, powerful skills, and various items.
4. Become stronger with 50 runes and 30 relics.
5. There are cute enemies and scary jungle monsters.
6. Clear the impossible bosses.
7. Build towers that can use a variety of strategies.
8. Meet and grow with friends in the guild.

Can you safely stop incoming enemies?
Updated on
Dec 2, 2022

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Personal info
Data is encrypted in transit
Data can’t be deleted
4.2
21.9K reviews
Kanchi Chatterjee
July 11, 2020
This game is very fun, and a great use of time. My only problem is, that the controls are off center. I cant get the different crosspath for upgrade such as, towers and crystal regen, because the jump button is blocking it. Same thing for the menu. I can't see all of my gems, and all the buttons. Please fix this, or give players the option to move the controls, as well as the the menu. Overall, great game. Edit: wow! They actually fixed the jump button problem! Thanks devs!
50 people found this review helpful
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Kens Dormevil
May 24, 2022
It's good for what is is but a lot of improvements can be made. Like the explanation of certain items and what they do. Also, maybe add a single player defense where they come from one side or something. I know it's called Castle Defense ONLINE but sometimes, people don't have someone else to play with all the time. Maybe adding solo options to harder difficulty? Like on defense, have they come from one side only.
34 people found this review helpful
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that one guy
August 9, 2020
This is a wonderful game. I love how simplistic the controls are and the gameplay is unique. I only have 2 complaints for this game and it's the lack of tower variety and the enemy difficulty. I understand that the harder difficulties are meant to be tough but honestly the ones above hard are just a tad bit too hard. Other than that great game! Excited to see where the updates take it
20 people found this review helpful
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What's new

2022-12-03
Other Bug Fix