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Galaxy Defense: Fortress TD

Name: Galaxy Defense: Fortress TD
Author: CyberJoy Games

1.1.0

Play Protect

CyberJoy Games

4.255M+ installs

Download APK

Defend planet from aliens in epic galaxy tower defense battles!

Galaxy Defense: Fortress TD, roguelike tower defense

By Mei-Lin Chua

Contributing editor, apps and storefronts

Turrets with distinct skills, unlocked and upgraded as you play
Turret loadouts chosen against each enemy's attributes
Character chips and weapons that raise combat power
Upgrade picks that charge up as you defeat enemies
Resources from each battle to strengthen turrets and character
Time-limited Project Ark Rebuild event

What Galaxy Defense: Fortress TD is

Galaxy Defense: Fortress TD is a tower defense strategy game for Android, rated 18+ on Google Play. The premise is an alien invasion, and the job is to hold Earth's defenses against waves of attackers.

The listing presents it as a roguelike as well, so each run in a battle gives you a choice of upgrades rather than a fixed build. Players who enjoy tower defense with a run-based twist are the audience the listing describes.

What's new

Oct 18, 2026

1. Added a New Event: Expedition Hive
New players can unlock this event after logging in for 8 days.
2. New Rewards in Expedition Hive
3. Added the Apex Defense Leaderboard
4. Updated the Community Event Interface

About this APK

The build we hold is Galaxy Defense: Fortress TD 1.1.0 (APKS split bundle) for Android 8.0 and up.

Version: 1.1.0; 162
Requires Android: 8.0+
Target Android: 16

Package ID: com.cyberjoy.galaxydefense
Format: APKS split bundle
Malware scan: Google Play Protect
Permissions: 25 declared · 1 sensitive; Approximate location
Signed by: CN=Android, O=Google Inc.
Certificate SHA-256: 1b6eab1be9fd71cd4b8eb21f04725f0e723a7d448230dca9d09de5e6624b420c