Sphere Invasion
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About Sphere Invasion
Sphere Invasion is a sci-fi tower defence game. You build roads for invading spheres and use seven unique towers to destroy them. Choose how to attack: slow enemies down, strike them with powerful missiles or electrocute them with a Tesla tower. The game includes 12 enemy types and many hours of gameplay.
Frequently asked questions
The best price for Sphere Invasion is $5.99 at Steam. It is the only shop with an offer that activates in your country.
The minimum requirements for Sphere Invasion are: Windows 10, GeForce GTX 660, AMD FX-8120, 8 GB RAM, 130 MB storage. It runs on Windows only. The recommended specs are in the System requirements section.
No. Sphere Invasion is a single-player game.
Yes. Sphere Invasion is the full base game. You need nothing else to play it.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.











