Working Merge Defense Codes
Last updated August 21, 2026
No working codes right now
We're tracking Merge Defense and will list codes here the moment the developers release them. If you spot one first, send it our way below.
How to redeem codes in Merge Defense
- Launch Merge Defense on Roblox.
- Look for a Codes, Shop or settings button — usually on the side of the screen.
- Paste the code exactly as shown above. Codes are case-sensitive.
- Press redeem to claim your reward.
Codes expire without warning — if one fails, it was almost certainly pulled by the developer.
Found a code we're missing?
Submit it and we'll verify it before it goes live.
About Merge Defense
[⚔️] Merge Defense 🛡️🏰 Build your team and defend your plot against endless waves of enemies! 👹💥 🎲 Roll and open crates to collect powerful units. 📦✨ 🧩 Place them on your plot, merge matching units to level them up, and create the ultimate defense. 💪🔥 🌟 Discover rare units, powerful mutations, unique traits, new floors, and valuable upgrades as you progress. 🚀 🎮 Main Gameplay: 🎰 Collect and roll new units 🛡️ Place them to defend your plot ⚔️ Defeat waves and earn cash 💰 🔀 Merge duplicates to make them stronger 📈 📦 Open crates and discover rare characters 💎 🔓 Unlock floors, upgrades, mutations, and traits 🧬 📖 Complete your Index and build the strongest team 🏆 Can you survive every wave and become the ultimate defender? 🔥👑 ⭐ Like & Favorite to support the game!