Merge Tower Defense hands out gems and Diamonds through codes you can punch in without spending a dime, and stacking a few of them early makes upgrading your towers a lot less grindy.
Working Merge Tower Defense Codes
Type these in carefully since one wrong character will get the code rejected.
CHESTS
Free rewards
New
DAMAGERAID
Free rewards
New
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
Happy Halloween
1000 Diamonds
UPD6.0
1000 Diamonds
Welcome
500 Diamonds
DiscordMembers
1000 Diamonds
dude
Diamonds
arcane
Diamonds
How to redeem codes in Merge Tower Defense
The redemption box lives inside a small menu that’s easy to miss if you’re not looking for it, but once you find it, entering codes takes just a few seconds.
You can find the game itself on the Merge Tower Defense Roblox page if you need to jump back in.
How to get more Merge Tower Defense codes
New codes tend to show up around content updates, milestone celebrations, and seasonal events, so keeping an eye on the developer’s own channels is your best bet for catching them early. The game’s official Discord server is where announcements usually land first, and the Roblox community page for Merge Tower Defense is another spot worth checking now and then.
Come back and check this list whenever you log in, since older codes get pulled without much warning once their reward period ends.
Why didn’t my code work?
If a code isn’t going through, retype it instead of relying on autocorrect or a saved clipboard entry, since extra spaces or swapped capitalization are the usual culprits. Codes are also case-sensitive in some spots, so match the exact style shown above.
Grabbing a handful of these codes now sets you up with a solid pile of gems and Diamonds before you sink them into your next tower upgrade.
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