Redeem Mech Assemble: Zombie Swarm codes in this game set in a post-apocalyptic world overrun by mutant zombies.

Use Mech Assemble: Zombie Swarm codes to get help in this game, which features generated stages where you must survive against multiple hordes of zombies and tough bosses. We've gathered every current Mech Assemble: Zombie Swarm code here in one spot. These give you a few in-game boosts, such as Mech Shards, Gold and Diamonds. New codes for Mech Assemble: Zombie Swarm are occasionally released by the developers, so it's worth keeping an eye out for updates from time to time.
Redeem for free rewards (valid until July 17th, 2026).
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These Mech Assemble: Zombie Swarm codes have now expired, but we've kept them listed for reference. Occasionally, old codes return, so if one catches your eye it might be worth trying again in future events.
MG1ST777 | MGJUN666 | MGMAY555 | MGMAY333 | MGMAY222 | MGEAMAY111 | MGAPR888 | MGAPR666 | MGAPR111 | MGAPR222 | MGEASTER99 | MGMAR999 | MGMAR888 | MGMAR777 | MGFEB999 | MGLOVE2026 | MGFEB777 | MGJAN888 | MG2025NOV | THX40000 | HAPPYNY2026 | MERRYXMAS25 | MGDEC35000 | THX30000 | MGDEC777 | MGPLAY777 | MECH7777 | MECH9999 | MECH2025 | MG2025HW2 | MG2025HW | MGOCT777 | MGSEP999 | THX30000 | MGAUG777 | THX25000 | THX20000 | THX15000 | MGAUG999 | MGAUG888 | MGJULY888 | HAPPYVD214 | WHITEDAYLOVE314 | THX4500 | THX5500 | THX7000 | THX10000
Redeeming codes in Mech Assemble: Zombie Swarm is quick and easy. Just follow these steps:

If you run into any issues, check that the code hasn't expired and that you've entered it correctly - they're sometimes case-sensitive. It's best to use copy and paste if you can.
If a code isn't working, it could be due to any of the following reasons.
Mechs come equipped with unique abilities, linked weapons, and passive bonuses that define their role in battle. Some are built for devastating area-of-effect (AoE) attacks that wipe out enemy swarms, while others focus on precise single-target damage ideal for taking down powerful bosses. Not all the mechs are equal, some are more effective in combat than others. Our Mech Assemble: Zombie Swarm Mech Tier List ranks them all from best to worst based on their overall kit and survivability.
| S | Crimson Phantom - Explosive, Ultimate |
|---|---|
| Shadow Warrior - Physical, Ultimate | |
| Future Warrior - Energy, Ultimate | |
| Goddess of War - Physical, Ultimate | |
| Fire Judgement - Fire, Ultimate | |
| A | Fire Dragon - Fire, Legendary |
| Flamefeather Archer - Fire, Legendary | |
| Pirate Gunner - Explosive, Legendary | |
| Thunderous Judgement - Thunder, Legendary | |
| B | War Machine - Physical, Legendary |
| Thunder Beast - Thunder, Legendary | |
| Thunderhorn Guard - Thunder, Epic | |
| C | Rally Wrecker - Explosive, Legendary |
| Frost Scorpion - Freeze, Epic | |
| D | Awakening - Physical, Rare |
| Doomsday Tank - Explosive, Epic |
Not all the weapons are equal, some perform better in combat than others. Our Mech Assemble: Zombie Swarm Weapons Tier List ranks them all based on power, efficiency, and usefulness. Weapons not included are classified as D-tier.
| S | Frost Beam Cannon - Legendary |
|---|---|
| Ninja Spike Gun - Legendary | |
| Judgement Cannon - Legendary | |
| Meteor Cannon - Legendary | |
| Thunder Spear - Legendary | |
| Demon Cannon - Legendary | |
| A | Firethrower - Rare |
| Laser Cannon - Rare | |
| Chain Ball - Legendary | |
| Electromagnetic Coils - Legendary | |
| Thunder Cannon - Very Rare | |
| Missile Launcher - Very Rare | |
| Lightning Shield - Legendary | |
| B | Ice Drill - Common |
| Laser Turret - Very Rare | |
| Frost Mech Cannon - Very Rare | |
| Fire Anchor - Very Rare | |
| C | Buzzsaw - Very Rare |
| Armor Vent - Very Rare | |
| Firepower Horn - Very Rare | |
| Radar Antenna - Very Rare | |
| D | Mortar Cannon - Common |
| Energy Antenna - Very Rare | |
| Swift Tailfin - Very Rare |
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