Sphere Defense tasks you with protecting the Earth from relentless invaders, out now

Author: Ryan Jan 23,2025

Outsmart relentless enemy waves and defend the sphere in Sphere Defense! This minimalist tower defense game, boasting sparkly neon visuals, challenges you to strategically position units for survival.

Collect resources earned from each successful defense to upgrade your units and conquer increasingly difficult levels. Master the art of perfect defense to achieve top scores and bragging rights!

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Developer Tomoki Fukushima created Sphere Defense as a tribute to the classic tower defense game, geoDefense. Inspired by its simple yet captivating design, Fukushima aimed to recreate that same engaging experience with a modern twist.

Looking for more tower defense action? Check out our curated list of the best Android tower defense games.

Ready to play? Download Sphere Defense now on the App Store and Google Play! Follow the official Twitter page for updates and community engagement. Watch the embedded video above for a sneak peek at the gameplay.