Features:
- Defend against the waves of aliens and upgrade your tower almost infinitely!
- Build your own Factory, connect transport belts, plan assembly lines, manage energy production, optimize production!
- Build Turrets to defend your perimeter!
- Get unique items with unique skills to specialize your tower!
- Purchase powerful super weapons to further enhance your survivability!
- Get new skins & backgrounds through playing the game or buying
- Research technologies to enhance your power even more!
- Get Power Cards to scale up your base powers even more!
- Compete in Leaderboards and Weekly Tournaments!
Roadmap:
- More Upgrades & Lab researches
- More skins & backgrounds
- No GUI and Battery Saving modes
- Events section to provide "permanently" purchasable events (with in-game currency) so that you don't have to complete them in a limited time
- Even more Factory Turrets and Buildings
Socials:
- Discord: https://discord.gg/dzpsaGjPqs
- X: https://x.com/Shield_Arc
- Email: shieldarcofficial@gmail.com
Privacy Policy: https://github.com/Shield-Arc/Perimeter-Privacy-Policy/blob/main/README.md
Latest Version
Varies with deviceRequires Android
Category
Free Arcade GameContent Rating
Everyone
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Flag as inappropriateLast updated on Jun 24, 2026
This release includes minor bug fixes and general improvements. Update to the latest version for the best experience.