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Fact sheet

Title
Sector Defense (store name: Sector Defense: Roguelike TD)
Developer and publisher
NOXGAMES s.r.o., Prague, Czech Republic
Launch
September 30, 2026 on Google Play; App Store version coming
Platforms
Android 7.1 or later (Google Play); iPhone and iPad, iOS 15 or later (App Store)
Genre
Tower defense, Roguelike, Sci-fi shooter, Strategy
Business model
Free, with optional in-app purchases and ads
Orientation
Portrait
Content
50 campaign sectors in 4 biomes, Heroic mode, 17 heroes, 15 drone weapons, 14 alien types
Languages
English, Czech, German, Spanish, French, Japanese, Korean, Polish, Portuguese (Brazil), Russian, Turkish, Ukrainian, Vietnamese
Contact
support@noxgames.com
Store links
Google Play

About the game

The aliens took the world. You hold the line, one sector at a time.

Sector Defense is a free sci-fi tower defense game for iPhone and Android with a roguelike upgrade draft. You play the marine on the front line: move left and right to shoot forward while combat drones fight beside you, pick new tech as the alien swarm closes in, and take back 50 sectors across four biomes.

The swarm comes down the sector toward your wall. Move left and right and your marine shoots forward; the Sentinel drone fires alongside on its own. Kills fill your XP. When it's full, the fight pauses on a Tech Choice: a new drone weapon, an upgrade, or an elite tech that changes how a weapon fires. Spend Dice to reroll the offer. Survive every wave and the sector is yours. Your hero, gear and research carry over to the next sector, and the map pushes on.

When they came, everything changed in just a few moments.

I watched our cities fall as the enemy took over our world.

We needed an advantage. So we built combat drones.

We know which places we need to take back.

Now the sector defense begins. And I'm on the front line.

The game's opening lines

Short description

Sci-fi roguelike tower defense: you're the marine on the line, picking new tech mid-run to hold 50 sectors against an alien swarm. Free on Android.

Downloads