Star Defense: Alliance TD

Contains adsIn-app purchases
3.8
4.73K reviews
100K+
Downloads
Content rating
Everyone 10+
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About this game

"You want a piece of me, Boy?"

Relentless waves of powerful Voids are closing in from all directions.
A lone commander, armed with nothing but a single gun, stands against them!
That unmistakable thrill—classic Random Tower Defense gameplay!

Now easier, more exhilarating, and irresistibly fun!
Enjoy STAR DEFENSE: RANDOM TD! 🚀️ on mobile!

Summon, Swap, and Merge!
Summon mighty Mythical Allies and annihilate your enemies!

🌟 Three Unique Races!
- Humans! – Master advanced technology for wide-range attacks!
- Mutants! – Crush foes with deadly tentacle strikes!
- Aliens! – Harness psionic energy for devastating area attacks!

🛡️ Random Tower Defense Mechanics! ️
- Summon! – Find the perfect spot for your defenses!
- Swap! – Adapt to the situation in real time!
- Merge! – Fuse heroes to unleash overwhelming power!

Can you save the universe from the Voids?
Do you have what it takes to become the ultimate commander?

Answer the call and fight back the void—right now!
The entire galaxy is waiting for you!

A perfect blend of strategy and luck in a thrilling hero defense game!
Challenge intense stages and prove your commanding skills!
Plus, your cute workers are good to go sir!🚀
Updated on
Dec 22, 2025
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.
This app may share these data types with third parties
App activity, App info and performance, and Device or other IDs
This app may collect these data types
App activity, App info and performance, and Device or other IDs
Data isn’t encrypted
Data can’t be deleted

Ratings and reviews

3.7
4.61K reviews
Beautifulee
October 30, 2025
Loving this game right now. Been playing it every day more or less. Only have on down side that in world chat, don't seem no one speaks English so feel can't ask anyone anything if get stuck.
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RocketdanGames
October 31, 2025
Thank you so much for enjoying the game! 😊 If you ever need help, feel free to use English in the chat.— many players and our team are always happy to assist! You can also contact us through our official community (Naver Café ) or email (stardefense@teamsparta.co ) for support. We’ll keep working to make your experience even better! 🌟
Tracy Smith
December 7, 2025
The chatacters are a rip off of Star Craft, The sound when they come out of that portal is the same exact sound that is heard when being attacked by a player or the AI in Age Of Empires.
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Smart Spooki69
October 10, 2025
love the games can you please just fix it when i want to equip gear on my hero it does not want to equip at all but love the game
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RocketdanGames
October 14, 2025
Thank you for enjoying our game and for your kind words! 😊 We’re sorry for the issue when trying to equip gear. Please contact us through [Settings > Contact Us] in the game with more details so we can check it quickly. We’ll do our best to provide a smoother and more enjoyable experience. Thank you!

What’s new

- New Stage
- Bug Fixes