Mech Assemble: Zombie Swarm throws you into a post-apocalyptic world where you build powerful mechs to fight hordes of zombies. To enhance your gameplay, redeem codes offer free rewards like Gold, Diamonds, and Mech parts. In this guide, you’ll find all working codes for December 2025, learn how to redeem them, and discover where to find new codes in the future.
Key Takeaways
- Active codes for December 2025 include MGNOV777, MG2025NOV, MECH9999, and MECH7777
- Codes provide free rewards like Gold, Diamonds, Mech Shards, and Part Chest Keys
- Redeem codes through the Gift Code option in Settings
- New codes are released on official social media and Discord
- Codes expire quickly, so use them as soon as possible
- Codes are case-sensitive and can only be used once per account
What is Mech Assemble: Zombie Swarm?
Mech Assemble: Zombie Swarm is an action-packed mobile game by ONEMT SGP that lets you build and customize your own mech from over 100 unique parts. In this post-apocalyptic world, you’ll face waves of zombies using your customized mechanical warrior. The game combines roguelike survival elements with strategic mech building, allowing you to mix and match parts like Gundam-style arms with Iron Man thrusters. As you progress, you’ll loot rare parts, battle evolving zombie bosses, and compete in seasonal events with global leaderboards.
All Working Mech Assemble: Zombie Swarm Codes (December 2025)
Here are all the active codes you can redeem right now in Mech Assemble: Zombie Swarm:
- MGNOV777 – Redeem for Free Rewards (New)
- MG2025NOV – Redeem for Free Rewards
- MG2025HW2 – Redeem for Free Rewards
- MG2025HW – Redeem for Free Rewards
- MGOCT777 – Redeem for Free Rewards
- MGSEP999 – Redeem for Free Rewards
- THX30000 – Redeem for Free Rewards
- MGAUG777 – Redeem for Free Rewards
- THX25000 – Redeem for Free Rewards
- THX20000 – Redeem for Free Rewards
- THX15000 – Redeem for Free Rewards
- MECH9999 – Redeem for 7,777 Gold, 5 Mech Shards, and 177 Diamonds
- MECH2025 – Redeem for 2,777 Gold, 1 Part Chest Key, and 77 Diamonds
- MECH7777 – Redeem for 3 Part Chest Keys
- MGPLAY777 – Redeem for 200 Diamonds
Remember that codes expire quickly, so use them as soon as possible. We update this list regularly, so bookmark this page and check back for new codes.
Expired Mech Assemble: Zombie Swarm Codes
These codes are no longer working, but we’ve listed them so you know what to avoid:
- MGAUG999
- MGAUG888
- MGJULY888
- HAPPYVD214
- WHITEDAYLOVE314
- THX4500
- THX5500
- THX7000
- THX10000
If you try to use these codes, you’ll receive an error message indicating they’ve expired.
How to Redeem Codes in Mech Assemble: Zombie Swarm?
Redeeming codes in Mech Assemble: Zombie Swarm is quick and easy. Just follow these simple steps:
- Open the game: Launch Mech Assemble: Zombie Swarm on your device.
- Go to settings: Tap your avatar image at the top-left corner of the screen. This opens the Settings menu.
- Select “Gift Code”: Inside the Settings panel, tap the “Gift Code” button.
- Enter the code: Type or paste the code into the box exactly as shown above.
- Tap “Redeem”: Confirm the code to claim your rewards.
- Claim your rewards: Open your in-game Mail (on the right side of the home screen) to collect your free items.
The rewards will be sent to your in-game mailbox, where you can claim them and use them immediately.
Where to Find New Mech Assemble Codes?
New codes for Mech Assemble: Zombie Swarm are typically released through official channels. Here’s where to look:
- Official Facebook page: The developers often post new codes on the game’s official Facebook account.
- Discord Server: Join the Mech Assemble Discord server for exclusive codes and community discussions.
- Game milestones: The developers release codes when the game reaches certain player milestones (like the THX series codes).
- Special events: Codes are often released during holidays and special events.
- This page: We update our list regularly, so bookmark this page and check back often for the latest codes.
Following these sources ensures you’ll never miss out on new codes and free rewards.
Why Are My Mech Assemble Codes Not Working?
If you’re having trouble redeeming codes, here are some common reasons and solutions:
- Expired codes: Most codes are time-limited and expire after a certain period. If a code doesn’t work, it’s likely expired.
- Typing errors: Codes are case-sensitive, so make sure you’re typing them exactly as shown. Even a small mistake will make the code invalid.
- Already used: Most codes can only be redeemed once per account. If you’ve used a code before, you can’t use it again.
- Region restrictions: Some codes might be region-locked and only work in specific countries.
- Server issues: Sometimes, game servers might be down for maintenance, preventing code redemption.
Double-check the code, ensure it hasn’t expired, and verify you haven’t used it before. If everything seems correct but the code still doesn’t work, it might be a server issue or a bug.
Tips for Maximizing Your Mech Assemble: Zombie Swarm Experience
Once you’ve redeemed your codes and collected your rewards, here’s how to make the most of them:
- Prioritize Part Chest Keys: Use these to unlock new mech parts, which are essential for building stronger mechs.
- Save Diamonds for special events: Diamonds are premium currency, so save them for limited-time offers and events.
- Upgrade strategically: Use Gold to upgrade your most-used mech parts first to maximize your combat effectiveness.
- Experiment with different builds: Try various combinations of parts to find the most effective setup against different zombie types.
- Join a guild: Being part of a guild provides additional benefits and community support.
By using your rewards wisely, you’ll progress faster and enjoy the game more.
Frequently Asked Questions
How do I redeem codes in Mech Assemble: Zombie Swarm?
To redeem codes in Mech Assemble: Zombie Swarm, tap your avatar in the top-left corner to open Settings, then select “Gift Code.” Enter the code exactly as shown and tap “Redeem.” Your rewards will be sent to your in-game mailbox, where you can claim them. Remember that codes are case-sensitive, so type them carefully to avoid errors.
Where can I find new codes for the game?
New codes are typically released on the game’s official Facebook page and Discord server. Developers also release codes when the game reaches player milestones or during special events. For the most up-to-date list, bookmark this page as we update it regularly with new working codes.
Why are my codes not working?
Your codes might not work for several reasons: they may have expired, you might have entered them incorrectly (codes are case-sensitive), you may have already used them before, or they could be region-locked. Double-check the code and ensure you’re entering it exactly as shown. If it still doesn’t work, it’s likely expired.
Can I use the same code more than once?
No, most codes in Mech Assemble: Zombie Swarm can only be redeemed once per account. Once you’ve used a code, you cannot use it again on the same account. This is why it’s important to use codes wisely and prioritize the ones with the best rewards.
How often are new codes released?
New codes are released periodically, often coinciding with game updates, special events, holidays, or when the game reaches player milestones. There’s no fixed schedule, but checking the official social media channels and this page regularly will ensure you don’t miss any new codes.
What rewards can I get from redeem codes?
Redeem codes in Mech Assemble: Zombie Swarm provide various rewards including Gold (in-game currency), Diamonds (premium currency), Mech Shards (used to upgrade mechs), and Part Chest Keys (used to unlock new mech parts). The specific rewards vary depending on the code.
Are codes region-locked?
Some codes in Mech Assemble: Zombie Swarm may be region-locked, meaning they only work in specific countries or regions. If a code doesn’t work and you’re sure you entered it correctly and it hasn’t expired, it might be restricted to certain regions.
Conclusion
Mech Assemble: Zombie Swarm codes offer a fantastic way to get free rewards and enhance your gameplay experience. With the codes listed above, you can get Gold, Diamonds, Mech Shards, and Part Chest Keys to build and upgrade your mechs. Remember to redeem codes as soon as possible since they expire quickly, and bookmark this page


