Star Defense: Alliance TD

Contains adsIn-app purchases
3.7
5.1K 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! šŸš€ļø 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!

šŸ›”ļø Random Tower Defense Mechanics! ļø
- 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!šŸš€
Updated on
Apr 06, 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.
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

3.5
4.96K 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.
1 person found this review helpful
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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 CafĆ© ) or email ([email protected] ) 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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Jeremy Johns
September 28, 2025
p2w. multiple heros/c.o locked behind pay wall with not f2p option to obtain case and point t.pass purchasing the 12.99 premium pass is the only way to obtain one of the 6 c.o options available. c.o in question is named nukerilla. game play is pretty standard for this type of game very little stood out from other titles that follow this same formula.
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RocketdanGames
September 29, 2025
Thank you for showing interest in our game and sharing your feedback. While the core gameplay may feel familiar, we are striving to infuse our own unique touch based on various inspirations to provide distinctive fun and new experiences. We will continue to improve to deliver even more enjoyable gameplay. We truly appreciate your valuable feedback.

What’s new

- New Hero Leap