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Extinction: Alien Invasion

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Trailers & screenshots

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About Extinction: Alien Invasion

Extinction: Alien Invasion is an arcade shooter with RPG elements. You control a mercenary during the start of an alien invasion, fighting to protect humanity. You battle waves of aliens, build a base and improve your mercenary, accompanied by a rock soundtrack.

Combat and progression

The game has a dynamic combat system, several skills that let you play in different ways, and over 50 weapons to collect. You face various types of enemies.

Game modes

There are two game modes, including Horde mode, where you can build several types of items. The game also supports cooperative play for two players.

Customize the challenge

A mod system lets you adjust the difficulty by changing enemies’ damage, health, attack properties, speed and more.

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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