Astro Defender
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About Astro Defender
Astro Defender is an action-platformer in which you control Astro, an alien hero piloting the Zenith-01. Astro fights to protect the peaceful planet Zytherion from a large invasion led by Lord Kael'Thar.
Battle across Zytherion
You face waves of biomechanical enemies in fast-paced battles, with strategic challenges along the way. The journey takes you through shimmering forests, electrified deserts and floating cities, each filled with hazards and detailed alien landscapes.
Frequently asked questions
The best price for Astro Defender is $2.99 at Steam. It is the only shop with an offer that activates in your country.
The minimum requirements for Astro Defender are: Windows 7, Intel Core i5-750, 4 GB RAM, 500 MB storage. It runs on Windows only. The recommended specs are in the System requirements section.
No. Astro Defender is a single-player game.
Yes. Astro Defender 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.
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