Fortress Merge: Puzzle Defense

Fortress Merge: Puzzle Defense

TapNation

4.3
  • Installs

    1,000,000+

  • Category

    Strategy

  • Content Rating

    Everyone 10+

  • Developer

    TapNation

  • Version

    0.8.1

  • Updated

    Aug 12, 2026

  • Requires

    Android 7.1

  • Price

    Free

  • Size (iOS)

    432.6 MB

  • Privacy Policy

    www.tap-nation.io/policy/

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Screenshots

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Editor Reviews

Fortress Merge: Puzzle Defense is a strategy game developed by TapNation for Android and iPhone & iPad. It has been installed more than 1,000,000+ times on Google Play and holds an average rating of 4.3 out of 5 from 56.6K players.

Merge, build and defend your city from enemy waves in this strategic puzzle game

Fortress Merge: Puzzle Defense is free to download and offers in-app purchases. The latest version 0.8.1 was released on Aug 12, 2026. Content rating: Everyone 10+.

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About Fortress Merge: Puzzle Defense

Fortress Merge: Puzzle Defense is your next addictive obsession in the world of strategy games! Step into a thrilling realm where every puzzle you solve fortifies your castle defense. Defend your city, merge your way to power, and conquer endless enemies in this action-packed puzzle defense experience. In Fortress Merge: Puzzle Defense, the key to survival lies in how you merge, upgrade, and defend. Welcome to the ultimate test of tactics, timing, and tenacity. If you're a fan of zombie tower defense, roguelike challenges, and strategic gameplay — Fortress Merge: Puzzle Defense was made for you!

Immerse yourself in a world where your fortress is constantly under siege by waves of terrifying zombies. Only the sharpest minds can master the art of merging and stand strong in this apocalyptic realm. With influences from top strategy war games, this title combines the tactical depth of battle strategy games with the casual appeal of puzzle mechanics and the intensity of castle defense.

Prepare to rise as the ultimate guardian of your land. With each wave, your fort becomes a symbol of resistance. This game amps up the stakes with intense roguelike gameplay that ensures no two runs are the same. Plan your upgrades, merge powerful facilities, and choose the right skills to build an impenetrable fortress. Whether you're a seasoned tactician or new to tower games, the fast-paced, ever-changing combat will keep you on your toes.

Fight off zombies in epic tower defense showdowns as you make each choice count. Will you build your strategy around devastating traps, elite knight games units, or brute-force turrets? How will you respond when your base is under siege with no escape? With every wave, you'll unlock new content, test your tactics, and define your legend.

From engaging casual sessions to hardcore strategy games marathons, this game caters to all playstyles. Challenge yourself with tough decisions and satisfying victories that define great defense games.

Features:

🔥 Merge & Upgrade: Combine different types of buildings to create powerful structures and enhance your defenses.

🧠 Strategic Gameplay: Think ahead, plan your moves carefully, and use your resources wisely to outsmart your enemies.

⚔️ Wave After Wave: Defend your home from increasingly difficult waves of enemies — don’t let them surround you!

🧩 Exciting Puzzle Mechanics: Solve puzzles and face thrilling challenges while keeping your defense strong.

✨ Stunning Graphics & Engaging Action: Immerse yourself in beautifully designed environments with smooth, fast-paced gameplay.

Only a true guardian can withstand the chaos threatening your fortress. In this war-torn world, where legions clash and zombies multiply, your fort is your last hope. Rally your legions, master the art of the puzzle, and fight for survival. Your every move in this castle defense game determines whether you rise as a legend or fall into ruin.

This is not just another zombie defense game — this is where puzzle, combat, and tactics collide. Download now and become the legend who defends the last stronghold in a world at war. Prove your worth in one of the most thrilling roguelike and battle strategy games of our time.

Merge. Defend. Conquer. Only in Fortress Merge: Puzzle Defense.

What's New

What's new in 0.8.0: - New Hero: Esmeralda arrives, available at a special discount for a limited time - New Card: play the Summoning Altar in the limited time Arcane Altar event, and unlock it through normal progression - Link your account to protect your progress and earn a reward - Boss Fight and Heroes Tab: bug fixes and a smoother experience - Spin Wheel milestone now grants a bigger reward with a new look

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How to download Fortress Merge: Puzzle Defense?

  1. Tap the Google Play button (Android) or the App Store button (iPhone / iPad) in the download section.
  2. The official store page of Fortress Merge: Puzzle Defense opens in a new tab.
  3. Tap Install or Get and wait until the download finishes.
  4. Open Fortress Merge: Puzzle Defense from your home screen and start playing.

FAQ

Is Fortress Merge: Puzzle Defense free to play?

Yes, Fortress Merge: Puzzle Defense is free to download, with optional in-app purchases.

Is Fortress Merge: Puzzle Defense available for iPhone?

Yes, Fortress Merge: Puzzle Defense is available on the Apple App Store and needs iOS 15.0 or later.

Which Android version does Fortress Merge: Puzzle Defense need?

Fortress Merge: Puzzle Defense requires Android 7.1.

Is it safe to download Fortress Merge: Puzzle Defense?

Yes. ER Games does not host any files — the download buttons open the official Google Play and App Store pages.

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Disclaimer

1. ER Games does not represent any developer, nor is it the developer of any app or game listed on this website.

2. Game details such as icons, screenshots, ratings and descriptions are collected from the public Google Play and App Store listings so players can compare games before installing.

3. All trademarks, registered trademarks, product names, company names and logos are the property of their respective owners.

4. ER Games does not host APK or IPA files. Every download button opens the official Google Play Store or Apple App Store page of the game.

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