Merge Tower Defense Codes (Jul 2026)
Merge Tower Defense codes drop free Diamonds and gems your way, and those Diamonds are exactly what you need to craft the premium towers that carry you through the rough stretches. Some codes pay out a thousand at a time, others land you a smaller top-up, but it all adds up fast.
The game itself is a blend of tower defense and merge tycoon, so you’re buying towers, collecting Energy to earn Money, and fusing weaker units into stronger ones while endless zombie waves keep pushing toward your base. It gets addictive quickly, and the later Days can really test your setup. Free Diamonds let you skip some of the grind and stock up on the heavy-hitting weapons that turn a losing run around. Redeem the codes below while they’re still live, since these tend to stop working once the next update rolls out.
Quick Answer: Currently 16 active codes for Merge Tower Defense. Codes are case-sensitive — copy directly from this page to avoid mistakes.
Updated July 31, 2026. Latest addition: CHESTS, confirmed working today. Older, expired codes stay listed below.
Working Merge Tower Defense Codes
These are the currently active Merge Tower Defense codes. Copy and redeem them now — most expire within 24-72 hours!
| Code | Copy | Rewards |
|---|---|---|
CHESTSNEW | Freebies | |
DAMAGERAIDNEW | Freebies | |
VOIDAWAKENING | 1000 gems | |
SAFEGUARDPROTOCOL | 500 gems | |
TY20M | 1000 Diamonds | |
MTD1K | 1000 Diamonds | |
Biotrix | 500 Diamonds | |
HellGuard | 500 Diamonds | |
Genesis | 1000 Diamonds | |
Corruptor | 500 Diamonds | |
Aegis | 500 Diamonds | |
UPD6.0 | 1000 Diamonds | |
Welcome | 500 Diamonds | |
DiscordMembers | 1000 Diamonds | |
dude | Redeem code for Diamonds | |
arcane | Redeem code for Diamonds |
How to Claim Merge Tower Defense Codes
There is 1 way to redeem codes in Merge Tower Defense:
Method 1: Redeem Merge Tower Defense Codes
- Open Merge Tower Defense through the Roblox Launcher.
- Tap the Codes icon located at the top right side of the screen.
- Enter the working code into the ‘Redeem a Code’ section.
- Press ‘Redeem!’ to collect your rewards.
Where to Find the Latest Merge Tower Defense Codes
Flip on notifications for the official Discord, since new codes usually land there first, typically clustered around updates and special events. We check daily and update this page as soon as anything drops, so if scrolling through chat isn’t your thing, you can just bookmark this and let us do the digging.
Expired Merge Tower Defense Codes
No expired codes tracked yet.
What do diamonds do in Merge Tower Defense?
Diamonds are the premium currency you spend in the shop to buy stronger weapons, which is the easiest way to clear the tougher levels against the endless enemy horde. Codes are a handy way to stock up on free diamonds (and gems) so you can deploy better troops sooner.
