Buy Castle Siege PC

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

Release: Coming Soon
Official
Unavailable
Keyshops
Unavailable
Buy in Official Store:
Unavailable
Buy in Keyshops:
Unavailable

No entries, but don''t worry, we will inform you once the new offer appears.

Create Alert Create deal Alert

About Castle Siege

Castle Siege - about the game
Castle Siege is a multiplayer 1v1 tower defense and offense game, set in a stylized medieval world.




One player attacks, and the other defends. The attacker can buy units and send them out to destroy the castle. The defender can place turrets along the path to stop the units.



Upgrade your units or turrets to give them special traits like lifesteal, health regeneration or extra damage.


Buy magic spell cards to inflict damage on your opponent, or to buff your own troops.



  • Tactical tower defense gameplay.
  • Strategic tower offense gameplay.
  • Use spell cards to gain an upper hand.
  • Level up by killing units or turrets.
  • Gain stronger spells and upgrades.
  • Customize your castle flag using colors and symbols.
Interface:
English

Age rating

Unavailable

Minimum:

  • OS: Windows 10
  • Processor: Intel i5 gen 9
  • Memory: 4 GB RAM
  • Graphics: GeForce GTX 970
  • Storage: 5 GB available space

Recommended:

  • OS: Windows 10
  • Processor: Intel i7 gen 9
  • Memory: 8 GB RAM
  • Graphics: GeForce GTX 1070
  • Storage: 10 GB available space

Minimum:

  • OS: Ventura 13.0.1
  • Additional Notes: Likely works on older MacOS versions as well.

Recommended:

  • OS: Ventura 13.0.1
  • Processor: Apple M1
Historical low
Price history from official stores
-
-
-
Price history from keyshops
-
-
-

FAQ

8 questions

Before you start looking for a cheap Castle Siege key, check the essentials. Developed by Mordi. Published by Mordi. PC released date: Coming Soon. Genres: Action, Strategy, Indie, RPG, Early Access. Categories: Multi-player, PvP, Online PvP, Family Sharing.

Q

Where to buy a cheap Castle Siege Steam key?

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

Castle Siege 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 Castle Siege on sale even outside seasonal promotions. We currently detect 0 active offers 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, Castle Siege is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

Yes. Castle Siege has an official page on the Steam Store, but we currently don't track any third-party offers with Steam DRM. Check back later or set a price alert.

Not at this time. Valve marks Castle Siege 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.

Castle Siege 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 Castle Siege 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.

Want to buy at the best moment? Set a price alert on XD.deals and get notified when Castle Siege hits its next historical low.

Create Alert
Join our Discord
Get instant help from our community and stay updated on the latest deals
Set Price Alerts
Get notified by email when game prices drop to your target
Create Free Account
Unlock wishlists, price alerts, and Steam sync