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Alien War

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About Alien War

Alien War is set in 2222 AD, after an alien invasion has left only 5% of humanity alive. As the aliens begin their final attack, you fire the KPO9, humanity’s strongest surface-to-air weapon, to defeat them. Intercepting enemies earns EXP, which you can spend upgrading the weapon and its fully automatic missile pods.

Frequently asked questions

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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