Perimeter is a mix of Idle Tower Defense and Factory Automation.
Defend your core against endless waves of aliens while building an industrial factory. Lay conveyor belts, automate production, manage your power grid, and upgrade your tower to survive as long as you can!
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, and 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 stats even more!
- Compete in Leaderboards and Weekly Tournaments!
- No GUI and Screen Saver/Battery Saver modes to watch the battle clutter-free, save power, and protect your OLED screen!
Roadmap:
- More Upgrades & Lab researches
- More skins & backgrounds
- Even more Factory Turrets and Buildings
- Petrol Expansion
- Events section to provide "permanently" purchasable events (with in-game currency) so that you don't have to complete them in a limited time
Socials:
- Discord: https://discord.gg/dzpsaGjPqs
- X: https://x.com/Shield_Arc
- Email: shieldarcofficial@gmail.com
Privacy Policy: https://shieldarc.dev/privacy
Latest Version
1.0.264Uploaded by
Wesley Honorato
Requires Android
Android 6.0+
Category
Free Arcade GameContent Rating
Everyone
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Flag as inappropriateLast updated on Oct 5, 2026
• Added dynamic orbiting lights to the Blue Star and Vortex skins.
• Epic+ equipment now features a pulsating rarity glow.
• Added a light intensity slider in Settings > Graphics.
• Conveyor belts now flow cleanly under factory machines.
• Major performance and memory optimization for smoother battles.
• Fixed a crash when previewing skins, and fixed lab card percentages.
Join our Discord: https://discord.gg/dzpsaGjPqs
