Buy Defend the Castle PC

Defend the Castle is free to play! Download it on Steam and start playing instantly.

Release: 25 Nov 2025
Keyshops
Unavailable
Buy in Official Store:
Free
Buy in Keyshops:
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Official Stores (1)

DRM:
Steam
Steam
Steam
Defend the Castle
Windows
6w ago
DRM:
Steam
Steam
Free
Historical Low Deal
Historical low

About Defend the Castle

Defend the Castle - about the game
Defend the Castle

How long can you survive - when each day only makes the enemy stronger?

Defend the Castle is an intense day-by-day tower defense game where you fight off waves of attackers in a world that never gives you a moment to breathe. Each day brings 5 waves of enemy assaults, and you have only 60 seconds to survive.

But this isn't just a game about defense. It's a game about choices. What do you upgrade? What do you sacrifice? What will it cost to see one more dawn?

Features

Roguelike structure: Death is inevitable - and necessary. Fail to meet your daily kill quota, and it's game over.

Strategic upgrades: Between days, spend your hard-earned resources to improve your base, repair the damage, and prepare for what’s next.

Hidden threats: Some days feel... different. Something larger stirs in the distance. What awaits at the edge of dawn?

Dynamic enemy waves: Each wave features unique combinations of enemy types - no defense holds forever.

Atmospheric world: A living battlefield with storm clouds that strike lightning, flocks of birds in the sky, and visual details that breathe life into every deadly sunrise.

⚔️ Fate is Calling

Defend the Castle is as much a battle against time as it is against the enemy. A strategic survival experience where every choice matters - and every day could be your last.

Interface:
English
Audio:
English
Subtitles:
English

Age rating

Unavailable

Minimum:

  • OS: Windows 10
  • Processor: i5-3470K
  • Memory: 2 GB RAM
  • Graphics: NVIDIA GeForce GTX 760
  • Storage: 230 MB available space
  • Additional Notes: Can run on potato

Recommended:

  • OS: Windows 10
  • Processor: i7-4790K
  • Memory: 4 GB RAM
  • Graphics: NVIDIA GeForce GTX 970
  • Storage: 230 MB available space
Historical low
Price history from official stores
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Price history from keyshops
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FAQ

8 questions

Before you start looking for a cheap Defend the Castle key, check the essentials. Developed by Linus Walter. Published by OkDog Productions. PC released date: 25 Nov 2025. Genres: Action, Strategy, Free To Play, Indie. Categories: Single-player, Stats, Steam Achievements, Custom Volume Controls, Mouse Only Option, Playable without Timed Input, Save Anytime, Stereo Sound, Camera Comfort, Subtitle Options.

Q

Where to buy a cheap Defend the Castle Steam key?

Defend the Castle is free to play! Download it on Steam and start playing instantly.

Defend the Castle 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 Defend the Castle 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, Defend the Castle is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

Yes. Defend the Castle has an official page on the Steam Store. You can also buy a Defend the Castle Steam key from third-party sellers. Our price comparison currently includes 1 offer with Steam DRM. Pick one to ensure your Defend the Castle download happens on Valve's platform.

Not at this time. Valve marks Defend the Castle 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.

Defend the Castle 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.

No - XD.deals is not a store. We are a price-comparison service that tracks the best Defend the Castle deals across official stores and verified keyshops. Click "Go to Store" next to any offer and you will be redirected to the retailer's website to complete your purchase.

Best prices for Defend the Castle

1 Steam Steam Official
$0.00

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