Galaxy Defense: Fortress TD v0.13.9

CyberJoy Games

Contains ads • In-app purchases

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About this app

Developer Description

Defend planet from aliens in epic galaxy tower defense battles!

🔥 2025’s unmissable tower defense experience
🎮 Enjoy the fun of Roguelike in this strategy game
🚀 Time-limited access for Project Ark Rebuild NOW!

This is the only and final choice for humanity. Fight to the end and protect Earth from alien invaders. Are you ready to take on the challenges of this thrilling tower defense game?

-Build Diverse Turrets
Each turret has unique skills and powers for you to explore. Unlock and upgrade them to resist enemy attacks and fight back effectively.

-Strategize Your Turret Assembly
Choose turrets based on enemy attributes and maximize their abilities. Continuously refine your strategy to achieve ultimate victory.

-Power Up Your Character
Equip your character with powerful chips and weapons, each offering different epic effects. Upgrading these items will significantly boost your combat power.

-Choose the Best Upgrades
Defeat enemies to recharge your energy and select from a variety of upgrades to enhance your combat power. Experience the thrill of a roguelike game!

-Collect Abundant Resources
Each battle rewards you with plentiful resources to strengthen your character and turrets. Win battles, collect rewards, and upgrade to progress further.

-Take on Expedition Challenges
Join forces with players worldwide to resist powerful alien enemies and defend the last line of our planet's defense. Remember, you are not fighting alone.

As the commander of this fortress, let’s protect our planet together!

Customer Support: galaxydefense@cyberjoygame.com
Terms of service: http://www.cyberjoygame.com/agree.html
Discord Server: https://discord.gg/qc4QdGEtzf

What's New

Project Ember: Vanguard Adjustment
1. Added turret position adjustment on the main screen
2. Normal & Special Chests now include selectable Chip Rewards.
3. Ember Pass & Vanguard Pass now grant a selectable Chip Reward at Level 30.
4. Added 6 new Special Chips.

In-app purchases

$2.99 - $349.99 per item

Version Information

Version: 0.13.9
Downloads: 1M+
Updated on: Jan 7, 2026
Released: Apr 21, 2025
Requires: Android 7.0

Statistics

Google Play Rating History

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Galaxy Defense: Fortress TD - Google Play Rankings

Rank	Country	Category	List	Change
				—

No ranking data available yet. Rankings are updated daily.

#35 in Top Free Strategy in United States

#34

Rise of Kingdoms: Lost Crusade

#35

Galaxy Defense: Fortress TD

#36

Gangster Games Crime Simulator

#53 in Top Grossing Strategy in United States

#52

Vikings: War of Clans PvP

#53

Galaxy Defense: Fortress TD

#54

West Game

#18 in Top Free Strategy in Japan

#17

Dark War Survival

#18

Galaxy Defense: Fortress TD

#19

War Inc: Rising

#23 in Top Grossing Strategy in South Korea

#22

Age of Origins

#23

Galaxy Defense: Fortress TD

#24

Gunship Battle Total Warfare

Galaxy Defense: Fortress TD users say on Google Play

★★★★★

Nate Bergert

would love to know EXACTLY what's the $49.99 USD gets you, because I can see paying for it, and then still needing to watch ads. good game, but need to know what I'm paying for EXACTLY before putting down the same $ I paid for Arc Raiders

★★★★

Zhenyu Hu

Each stage takes too long, but to speed up you have to pay for premium

★★★

Blue Fox

Yeah, it's fun to play to make some time pass, but after a while it starts to get really annoying, i've played this game for a while now and yet I cant make it past level 24, you aren't giving us enough upgrades, or supplies for anything and its very aggravating to be stuck on one level for longer than a week, in short, progression in this game is super slow.

★★

Rajan Wharton

fun game, but the difficulty is inflated. I notice the game will purposely avoid giving me the turrets that will be effective for the board and will keep giving me the same weak or ineffective turrets over and over. Ive had playthrus where I NEVER even see the turrets I need, but I will see the same 3 ineffective turrets, over and over. to the point to where if I hit level 7 and I dont have certain things for the board I just quit. The Ads are not forced, but the bad roll algorithm forces it.

★

Gojira Wins

This game is wildly unbalanced. You get 4 options for turret slots and it's 100% RNG slot machine based. The turrets dont fire fast enough(5 to 10 seconds, which is enough time to watch the enemy overwhelm you for 3 seconds), they also don't do enough damage and you'll get stonewalled at level 10. The Devs solution? Loot boxes and in-game currency that will let you win if you dump $100 on loot boxes. This game is predatory and balanced in a way where ONLY paying money will win.