DOI: Defense Shooter is free to play on Steam! Also available from 1 official stores starting at $0.00.
Defend the base and gather energy in this intense top-down co-op defense shooter!
Fight against massive AI swarm legions with your teammate and customize your own shooter skin via Steam Workshop.
*This game doesn't have background music. I don't know how to compose songs, haha!
Before you start looking for a cheap DOI: Defense Shooter PC key, check the essentials. Developed by SPIDER HAT. Published by SPIDER HAT. PC released date: 07 Jul 2026. Genres: Action, Free To Play, Indie, Casual. Categories: Multi-player, PvP, Online PvP, Family Sharing, Co-op, Steam Workshop, Single-player, Steam Achievements, Online Co-op.
DOI: Defense Shooter is free to play! Download it on Steam and start playing instantly.
DOI: Defense Shooter is completely free on Steam. No purchase needed - just download and play. If you are looking for premium DLC or in-game items, check the offers table above.
Our price tracker covers both official retailers and key marketplaces, so you can find DOI: Defense Shooter on sale even outside seasonal promotions. We currently detect 1 active offer from official stores and keyshops. Check the table above, compare against the historical low, and set an alert so you never miss the next price drop.
Based on our data, DOI: Defense Shooter is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.
Yes. DOI: Defense Shooter has an official page on the Steam Store. You can also buy a DOI: Defense Shooter Steam key from third-party sellers. Our price comparison currently includes 1 offer with Steam DRM. Pick one to ensure your DOI: Defense Shooter download happens on Valve's platform.
Not at this time. Valve marks DOI: Defense Shooter as Unsupported on Steam Deck. Keep an eye on XD.deals - we track Proton updates and community fixes. Browse games that are Steam Deck Verified or Steam Deck Playable.
DOI: Defense Shooter does not appear to be available on PC Game Pass, EA Play, Ubisoft+ or any other PC subscription service at this time. Your only option is purchasing the game - use XD.deals to find the best price.
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