Latest Updated: Added 9+ NEW Active Merge Tower Defense Codes
Merge Tower Defense codes give you free Diamonds to unlock powerful towers and upgrades in October 2025. Currently, there are 9 active codes available that can grant you over 5,000+ Diamonds total. The newest codes include Aegis, Corruptor, and Genesis, each offering valuable Diamond rewards to help you defend against zombie waves more effectively.
Contents
| Code | Reward | Status | Expiration |
|---|---|---|---|
| Aegis | Diamonds | ✅ Active | Unknown |
| Corruptor | Diamonds | ✅ Active | Unknown |
| Genesis | Diamonds | ✅ Active | Unknown |
| HellGuard | 500 Diamonds | ✅ Active | Unknown |
| Biotrix | 500 Diamonds | ✅ Active | Unknown |
| MTD1K | 1,000 Diamonds | ✅ Active | Unknown |
| TY20M | 1,000 Diamonds | ✅ Active | Unknown |
| Welcome | 500 Diamonds | ✅ Active | Unknown |
| DiscordMembers | 1,000 Diamonds | ✅ Active | Unknown |
Welcome to the most comprehensive guide for Merge Tower Defense codes! Whether you're a new player looking to get a head start or a veteran defender seeking the latest free rewards, this guide has everything you need. I've personally verified all codes and will keep this list updated throughout October 2025 to ensure you never miss out on valuable Diamond rewards.
Merge Tower Defense codes are special promotional codes released by the game developers, Merge Empire, that give players free Diamonds when redeemed. Diamonds are the premium currency in Merge Tower Defense, used to purchase exclusive towers, unlock powerful weapons, and accelerate your progression through the game.
These codes are typically released during:
The best part? All codes are completely free to use and can give you a significant advantage in defending against the relentless zombie hordes!
I've tested and verified all the following codes as of October 2025. Redeem them quickly, as Merge Tower Defense codes can expire without notice!
Aegis - Redeem for Diamonds
Corruptor - Redeem for Diamonds
Genesis - Redeem for Diamonds
HellGuard - Redeem for 500 Diamonds
Biotrix - Redeem for 500 Diamonds
MTD1K - Redeem for 1,000 Diamonds
TY20M - Redeem for 1,000 Diamonds
Welcome - Redeem for 500 Diamonds
DiscordMembers - Redeem for 1,000 Diamonds
Redeeming codes in Merge Tower Defense is quick and easy! Just follow these simple steps:
Currently, there are no expired codes for Merge Tower Defense. This is great news for players, as it means all the codes listed above are still working and available for redemption!
As codes expire in the future, I'll move them to this section so you can keep track of what's no longer available. This helps avoid frustration when trying to redeem outdated codes.
Want to stay ahead of the curve and get new codes as soon as they're released? Here are the best methods to find the latest Merge Tower Defense codes:
1. Join the Merge Empire Roblox Group
2. Follow the Official Game Page
3. Join the Discord Community
4. Bookmark This Guide
5. Follow Roblox Code Communities
Based on my experience following Merge Tower Defense, new codes are most likely to appear during:
Sometimes, even active codes can fail to redeem. Here are the most common reasons and solutions:
1. Typing Errors
2. Code Expiration
3. Server Issues
4. Game Updates
5. Account Issues
Getting Diamonds is just the first step. Here's how to make the most of your rewards:
1. Prioritize Essential Towers
2. Save for Special Events
3. Upgrade Strategically
4. Merge Efficiently
5. Base Defense Optimization
Stay connected with the Merge Tower Defense community through these official channels:
New codes are typically released during major updates, community milestones, or special events. There's no fixed schedule, but based on past patterns, you can expect new codes every 2-4 weeks. I recommend checking this guide weekly for the latest updates.
No, each code can only be redeemed once per Roblox account. Once you've successfully redeemed a code, you cannot use it again on the same account. However, you can use all the different codes listed above on a single account.
Yes, codes can expire without warning. While there are currently no expired codes, developers may remove codes at any time. That's why it's important to redeem codes as soon as you find them rather than saving them for later.
Diamonds are the premium currency used to purchase:
The amount of Diamonds varies by code and is determined by the developers. Some codes are designed as welcome bonuses for new players, while others celebrate specific milestones or events. Higher-value codes are typically released during major updates or special celebrations.
Absolutely! Feel free to share any working codes with your friends and fellow players. Helping others discover active codes builds a stronger community and ensures everyone can enjoy the free rewards.
If you discover a new code that isn't listed here, please leave a comment below! I test and verify all user-submitted codes and update the guide regularly. Your contribution helps keep this guide comprehensive and up-to-date for all players.
No, there are no risks associated with using official codes released by the developers. However, be cautious of third-party websites or individuals claiming to offer "code generators" or "hack tools" - these are typically scams and may compromise your account security.
The best way to check if a code is still active is to try redeeming it in the game. If you receive an error message stating the code is invalid or expired, it's no longer active. I regularly test all codes in this guide to ensure accuracy.
No, using codes will not negatively impact your game progress or achievements. Codes simply provide you with additional resources to enhance your gameplay experience. All achievements and progress systems remain unaffected by code usage.
If you enjoyed this Merge Tower Defense codes guide, you might find these other Roblox code articles helpful:
Merge Tower Defense offers an exciting blend of tower defense strategy and merge mechanics, and using codes is the perfect way to enhance your experience without spending real money. With over 5,000+ Diamonds available from the current active codes, you'll have plenty of resources to build the ultimate defense against the zombie hordes.
Remember to bookmark this guide (Ctrl + D) and check back regularly for new codes throughout October 2025. I'm committed to keeping this list updated with the latest working codes, so you'll always have access to the most current rewards.
Pro Tip: Join the official Merge Empire group and follow the game's social media channels to be among the first to know when new codes are released. The early bird gets the Diamonds!
Have fun defending your base, and may your towers stand strong against the zombie apocalypse! If you have any questions or discover new codes, feel free to leave a comment below. Happy gaming!