Castle Defense Online is popular, with 1.5 million installs. Users are divided: 4.0 stars from 22,775 ratings. Its best ranking is #69 in Top Grossing, Strategy in South Korea.
Castle Defense Online is made and published by
Black Hammer.
AppBrain is an independent app data site and isn't affiliated with Black Hammer.
The app name, icon, screenshots and description belong to Black Hammer and are shown as
published on Google Play.
About Castle Defense Online
Castle Defense Online is a strategy app developed by Black Hammer.
How many times has Castle Defense Online been installed?
Castle Defense Online has been installed 1.5 million times. In the last 30 days, the app was installed 5.4 thousand times. It is ranked in the top 100 strategy apps.
What is the rating of Castle Defense Online?
Castle Defense Online is rated 3.96 out of 5 stars, based on 23 thousand ratings.
Is Castle Defense Online free?
Castle Defense Online is free. The app size is 150.99 MB. The latest version available is 2599. The last update was on October 12, 2026.
What are the requirements for Castle Defense Online?
Castle Defense Online requires Android 4.4+ or higher. The app has a content rating of Low Maturity. The app has been available on Google Play since July 2019.
Description by Black Hammer(from Google Play)
Join the Ultimate Tower Defense Adventure! The world's first real-time 4-player multiplayer defense game! Castle Defense Online! Castle Defense Online offers an exciting and strategic experience where 4 players can play together in real-time, defending your base from waves of enemies. Whether you're a fan of tower defense games or multiplayer games, this action-packed RPG is perfect for you!
Features: - Strategic Multiplayer Defense: Work as a squad in 2 player games or gather a team of 4 to battle it out in this thrilling co-op defense game. - Easy & Intuitive Controls: Classic 2D side-scrolling action with simple controls that anyone can master. Perfect for those who love arcade and adventure games. - Unique Characters & Powerful Skills: Collect a diverse set of heroes, each with their own special abilities, and create the ultimate tower defense strategy. - Endless Growth: Customize your heroes with over 50 types of runes and climb through 20 tier levels. It's time to go beyond the limits! - Challenging Bosses & Freaky Monsters: Prepare for epic battles against freakish bosses and hordes of jungle creatures. - Build & Upgrade: Construct and upgrade your base and towers to withstand the toughest enemies in this immersive online experience. - Adventure Time with Friends: Join or create rooms where you and your friends can play together, defending your base in a world full of imposters and hidden dangers. - Free Games: Enjoy this free-to-play game that combines elements of strategy games, io games, and td mechanics, making it one of the most engaging multiplayer games out there.
Are you ready to face the reality of defending your base against overwhelming odds? Gather your squad, set up your defenses, and dive into the ultimate tower defense experience with Castle Defense Online. Play together and see if you can survive the clash of enemies in this fast-paced adventure.
Perfect for: If you’re a fan of the monkey defense genre or enjoy creating your own games with game maker tools, Castle Defense Online is a must-play. Perfect for those who love the thrill of popping bloons and engaging in brawl-style battles, or those who enjoy building and crafting like in multicraft. Whether you're into hide and seek games or you’re a fan of classic 2D side-scrolling action with simple controls, this game offers an immersive experience you won’t want to miss.
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Pretty nice game. But I hate the fact that the server owners language is what other people see. Like I don't know Korean but if I'm in a Korean server. It shows Korean words that I do not understand. Please change this. Edit: I'm changing it to five stars for nostalgia reasons.
★★★★☆Brodie Ford· Jul 15, 2024
This game is INCREDIBLE! You can play with others from all over the world (sorta) and it has so many different heros to play as! CDO Is the best game if you like to play RPG games. Upgrade diamonds to become stronger, Use items in the matches to become even stronger. There are 3 main game modes Defense is for diamonds, Boss raid is for relics and tokens, And Escape room is also for relics. So overall I will give this game a 4 star
★★★★★Mr Rahmat· Feb 13, 2025
MAN SEE MAN DOWNLOAD MAN PLAY MAN LIKE MAN GIVE 5 STAR
★☆☆☆☆Laura Dickinson· Oct 23, 2024
Can you put my account in to the American servers it makes me angry that my (angelius 2 rank) for mepdude2.0(my gamer tag) is not where I should be in the American servers, and I don't know Korean, so I'm left not being able to communicate with anyone? My phone also says that I can't download the American version because there was an issue retreating the game data so if you can help me please do, so I would give you 5 stars if you do :D
★★☆☆☆緋村ケンシン· Oct 3, 2024
Grinder all day just to fail relic 4 times even though its 20% I wasted my time on this game🤦🏻
★☆☆☆☆Khoo boo chong· Nov 30, 2024
Unbalanced game! Some hero can deal so much damage (multiple damage) to boss but single damage have limited. Stupid dev easily let ppl hack server and only buff certain hero thay they like. Not balance at all and not welcoming for new players. Waste of time game.
★★☆☆☆c7k bgy oğulları· Aug 6, 2024
Mechanic is so bad right now there is no item that benefits him I spend 5 hours trying to figure out how to build this guy (I have all the enchants) when I go hp and damage his skill damage drops to 0 when I try going auto attack (damage attack speed crit hp) build first his survivability issues came out and then his other skills (other than his mine robots) stops doing any damage going xp doesn't help either there isn't a relic that help with his issues level 15 defense is a torture with mechanic
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