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Fortification: tower defence

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  1. Steam2.0 · 560 reviews
    $1.99View Offer

Screenshots

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About Fortification: tower defence

Fortification: tower defence is a co-op tower defense game where you build towers to protect a missile silo from robots seeking to exterminate humanity.

Defend the silo

You generate terrain and use seven types of weapons to hold off the invasion. Matches last 20–40 minutes, and you can research technology.

Co-op

Play with up to six players.

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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