Idle tower defense: crush endless waves, raid world bosses, and prestige!
About Idle Defense: Cosmic TD
Idle Defense: Cosmic TD is a strategy app developed by Rui Codex.
Download Statistics
Idle Defense: Cosmic TD has been downloaded 440 times. In the last 30 days, the app was downloaded 43 times.
User Ratings
The app has no ratings yet.
App Information
Idle Defense: Cosmic TD is FREE to download. The APK download size is 14.84 MB. The latest version available is 5.28.2. The last update was on July 15, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play May 2026.
Description
Command an ever-evolving battle station in an endless cosmic war! Idle Defense: Cosmic TD blends idle tower defense strategy with deep RPG-style progression — upgrade while you play, and keep earning while you're away.
⚔️ ENDLESS WAVES, EPIC BOSSES Fend off relentless waves of alien invaders, stealth units and healers. Every 10th wave unleashes a massive boss fight that tests your build.
🎯 TAP TO DEAL DAMAGE Jump into the action yourself — tap enemies on screen for bonus damage on top of your automated firepower.
🛸 4 PRESTIGE TOWER CLASSES Specialize your core as a Laser, Sniper, Frost or Tesla tower, each with unique mechanics like chain lightning and freeze fields.
🚀 10-TIER SHIP PROGRESSION Watch your tower evolve from a humble Scout into a legendary Flagship as you push further, wave after wave.
💥 ACTIVE SKILLS Turn any battle with Orbital Strike, Time Warp and Overcharge — devastating abilities you control.
🔬 RESEARCH TREES & RELICS Unlock permanent research upgrades and collect Common to Legendary relics with powerful special effects.
🧩 MODULES, INVENTORY & DRONES Equip modules to customize your core's playstyle and deploy combat drones to multiply your firepower.
💰 REAL OFFLINE EARNINGS Your tower keeps fighting even when you're away — come back to a pile of rewards, or double them by watching a quick ad.
📋 DAILY MISSIONS & PRESTIGE Complete daily missions for bonus rewards, then Prestige for permanent Crystal upgrades that make every future run stronger.
🌍 GUILDS, LEADERBOARDS & LIVE CO-OP RAIDS Join a guild, climb the global leaderboard, and team up with players worldwide in real-time World Boss raids — every hit counts toward a shared victory.
How many waves can your tower survive? Download Idle Defense: Cosmic TD now and start your ascension.
Recent changes: Fixed reward ads getting stuck due to a misconfigured ad network ID.
Get a detailed PDF report for Idle Defense: Cosmic TD with download trends, rating history,
and key performance statistics — useful for competitive research or tracking your own app.
Learn more
Are you the developer of this app? Join us for free to see more information about your app and learn how we can help you promote and earn money with your app.
This game does a great job of making tower defense feel rewarding and easy to enjoy. The upgrade system is simple to learn, but it still gives you plenty of room to improve your setup and experiment. The cosmic visuals look clean and stylish, and the boss battles add a nice sense of challenge.
★★★★★S K· May 8, 2026
Wow! The game is awesome, and it’s getting more and more fun as I level up. In my opinion, the reward system is pretty great, too. Let’s go!
Google Play Rankings for Idle Defense: Cosmic TD
This app is not ranked
Technologies used by Idle Defense: Cosmic TD
14 permissions
Subscribe to see full permission and library details
Back to top
AppBrain Intelligence premium content
Subscribe now to get full and unlimited access to AppBrain Intelligence.
You'll have access to:
Each subscription will automatically renew 3 days before the expiration date for
the same time period. Subscriptions can be cancelled at any time before the renewal.
