Defense Legend 4: Sci-Fi TD

Contains adsIn-app purchases
38.9K reviews
Content rating
PEGI 7
1M+
Downloads
Content rating
PEGI 7
Mild Violence
In-Game Purchases
Learn more
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About this game

🛡️ Defense Legend 4: Tower Defense Strategy Game to Relax and Conquer!

Step into the next chapter of the Defense Legend series and enjoy thrilling tactical battles with a relaxing twist. Whether you're a fan of tower defense games or looking for a free strategy game to enjoy in your spare time, Defense Legend 4 offers both action and stress relief.

🌍 Storyline
The war between Humans and the Dark has escalated. With powerful magic and modern weapons, the Dark Force returns to conquer your bases from air, land, and underground. Your mission is to build your defense, upgrade your arsenal, and defend peace at all costs.

This is not just a simple combat game, but a challenge designed for both idle strategy lovers and hardcore players. Take command, relax, and enjoy the ride.

🎮 Core Features
💥 Strategic tower defense gameplay built for both casual play and tactical mastery

🧠 Control two powerful heroes supported by a high-tech defense system

🏗️ Upgrade turrets, unlock new skills, and experiment with merge strategy mechanics

❄️ Explore a variety of territories like icy lands, deserts, and forests – each with its own challenges

💤 Ideal for players seeking idle free strategic games to unwind and play at their own pace

📶 Fully offline-capable, making it perfect for travel or hands-free gameplay without internet

🎯 Designed as a tower defense game for beginners, yet rich in options for experienced players

⚔️ Experience a hybrid of tower defense mixed with RPG strategy in a fun, intuitive format

😌 A great game for stress-free battles, built for people who love to relax while defending

Whether you're searching for a relaxing game to play in your free time, or a full-blown tactical tower defense adventure, Defense Legend 4 has it all.

📲 Download now and build your legacy in this epic yet stress-free tower defense game!

Contact us for further support and information:
- Official Fanpage: https://www.facebook.com/Defense.Legend.X
- Official Group: https://www.facebook.com/groups/218680696589686
Command your strategy, defend the realm. Download now!
Updated on
Oct 28, 2026
Available on
Android, Windows*
*Powered by Intel® technology

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
  • No data collected
    Learn more about how developers declare collection
  • Data is encrypted in transit

Ratings and reviews

36.1K reviews
Revan Kader
August 24, 2022
Game is great. But the latest update has made the game unplayable. Levels that I haven't completed have been unlocked, and cant select any levels to play. Hope they fix it soon. So far I have been able to play every level without spending any money. Unlocks and upgrades are all available if you play a little each day. Watching adds gets you more gold and therefore upgrades. Gameplay is perfectly balanced. Edit, fixed the problem by uninstalling and reinstalling the game. Make sure you back up.
478 people found this review helpful
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elliot ward-spensley
October 9, 2022
The game is clearly unfinished with placeholders for descriptions still present and the AI of the turrets is broken. I could have lived with this but the the game asks you to rate it every other level. If you put anything other than 5* it sends you to a bug report page, if you give it 5* it takes you to the play store to leave a review. I'm not too sure if I agree with these practices.
127 people found this review helpful
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JoyUp
November 24, 2022
Hi, thank you for your information. We got it and will improve it. Feel free to contact us via fanpage if you encounter problems during gameplay.
Quetzalcoatlus
September 7, 2026
I think there is a glitch or bug, I completed a level but the game is not showing it's over, some things r not getting destroyed in boss levels.
10 people found this review helpful
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