Merge Tower Defense Codes (June 2026)

Merge Tower Defense puts you in the middle of a zombie apocalypse with nothing but a starting lineup of turrets and a tight budget. The game’s core loop revolves around buying and merging towers to unlock more powerful weapons, but building a strong defense demands a steady supply of Diamonds. The codes below hand out free Diamonds and bonus rewards to help you push further without burning hours grinding from scratch.

Working Merge Tower Defense codes

All codes listed here are currently active. Since codes can expire at any point without advance notice, redeem them as soon as possible.

DAMAGERAID — Free rewards NEW
VOIDAWAKENING — 1,000 Diamonds NEW
SAFEGUARDPROTOCOL — 500 Diamonds NEW
dude — Diamonds
arcane — Diamonds
MTD1K — 1,000 Diamonds
TY20M — 1,000 Diamonds
Biotrix — 500 Diamonds
HellGuard — 500 Diamonds
Genesis — 1,000 Diamonds
Corruptor — 500 Diamonds
Aegis — 500 Diamonds
Happy Halloween — 1,000 Diamonds
UPD6.0 — 1,000 Diamonds
Welcome — 500 Diamonds
DiscordMembers — 1,000 Diamonds

Expired Merge Tower Defense codes

There are no expired codes for Merge Tower Defense at this time. Every code in the list above is still active, so you can claim the full set of Diamond rewards right now.

How to redeem codes in Merge Tower Defense

Launch Merge Tower Defense through the Roblox launcher and wait until the game has fully loaded into your session.

Look to the top-right corner of the screen and click the ABX button. This opens the code redemption menu.

A text input field will appear on screen. Paste or carefully type one of the working codes from the list above into that field.

Click the purple Redeem button to submit the code. A confirmation message will display on screen when the reward has been credited to your account successfully.

Note: Codes in Merge Tower Defense are case-sensitive, meaning capitalization matters. Copying and pasting directly from the list above is the most reliable way to avoid errors that would cause a valid code to fail.

How to find more Merge Tower Defense codes

The development team behind Merge Tower Defense releases new codes to mark game updates, version milestones, and community achievements. The official Merge Tower Defense Discord server is the primary channel where new codes are announced — the announcements section is the best place to watch. Bookmarking this page is the most efficient way to catch codes without wading through unrelated server activity.