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Space Mercenary Defense Force

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  1. Steam2.0 · 560 reviews
    $4.99View Offer

Trailers & screenshots

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About Space Mercenary Defense Force

Space Mercenary Defense Force is a sci-fi action roguelike in which you defend a planet from an invasion of alien monsters. You equip a ship with modules, choose upgrades as you progress, and face optional encounters and timed threats.

Ship modules and upgrades

Each run, you fit different module types into your ship’s directional module slots. Options include explosive, defensive, deployable and beam modules. More than 600 upgrades use branching paths, letting you shape your progression with different choices each run.

Encounters and threats

Optional random Encounters include fighting minibosses and charging a conduit. Completing them earns rewards and lets you level up your ship further. Timed threats also put you at risk, including Off-World Targeting, Outer Atmosphere Lightning and Pulsing Solar Flares.

Permanent progression

You spend credits on ships, skins and permanent Astral Upgrades. Completing objectives unlocks ship perks and Celestial Modifiers.

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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