What is Castle Siege?
Castle Siege is a free strategy game with physics elements that you can play online in your web browser on Gameziko. It needs no download, no install and no account. Use your cannon ball to destroy the foundations of the castle structure.
How to play Castle Siege
- Press "Play now" on the game screen. Castle Siege loads inside the player; some games take up to 20 seconds and may show a short ad first.
- Use your cannon ball to destroy the foundations of the castle structure.
- Use the full-screen button at the bottom right of the player for a bigger view, and press Esc to leave full screen.
Game details
| Category | Strategy |
|---|---|
| Tags | physics |
| Controls | Shown in the game |
| Screen | Landscape (640 × 480) |
| Price | Free |
| Download or sign-up | Not needed |
| Distributed by | GameDistribution |
| Added to Gameziko | 30 September 2026 |
Description from the developer
Use your cannon ball to destroy the foundations of the castle structure. When the castle structure falls, the guards will be eliminated. Remember to avoid hurting the hostages! Features: - Innovative splitting mechanic. Aim your cannonball to split structures into multiple pieces - Collect treasures to increase your score - Place your shots correctly to earn more crowns - Comedic sound effects - Fun relaxed puzzle game
Castle Siege: frequently asked questions
Is Castle Siege free to play?
Yes. Castle Siege is free to play on Gameziko, with no download and no account needed. Like most free web games, it is funded by ads, so it may show a short ad before or between rounds.
What are the controls in Castle Siege?
The developer's instructions for Castle Siege say: "Use your cannon ball to destroy the foundations of the castle structure."
Can I play Castle Siege on a phone or tablet?
Castle Siege is an HTML5 game, so it opens in modern mobile browsers as well as on a computer. Its controls were designed mainly for a mouse, so a computer usually gives the smoothest experience.
What games are similar to Castle Siege?
If you like Castle Siege, try Puppy Merge, Merge Christmas and Merge Galaxy. They are strategy games with similar themes, and you can find more in the Strategy category on Gameziko.
Good to know
Castle Siege is made by an independent developer and delivered by GameDistribution, so Gameziko cannot change the game or recover lost progress. Any progress the game saves is kept in your browser on this device. If the game does not start, wait up to 20 seconds, allow ads for gameziko.com and try again, or report the game.