Terraria Tower Defense currently has three working codes. They give you Coins, crates, Hammers, Fallen Stars, and a Mana Crystal, which makes them useful for early upgrades and extra pulls.
Terraria Tower Defense working codes
100k— 100 Coins, Mana Crystal, and 10 HammersNight— 75 Coins and 5 Fallen StarsDelay— 200 Coins, 2 Iron Crates, and 1 Golden Crate
How to redeem Terraria Tower Defense codes
Step 1: Open Terraria Tower Defense on Roblox. Finish one round first so the code menu is available.
Step 2: Click the Units menu at the top of the screen. Then open Settings with the gear icon.
Step 3: Find the Codes field on the left side of the menu. Enter one code exactly as it appears in the list above.
Step 4: Press Enter to redeem it. When the code goes through, the reward is applied immediately to your currencies or inventory.
Terraria Tower Defense expired codes
QOL— Expiredoops— ExpiredTorch God— Expired500k Visits— Expired1000 Players— Expiredtest— ExpiredEaster— Expired100k Visits— Expired500 Players— ExpiredWonderful— Expired
The live code pool is short right now, so it is worth redeeming all three while they are still active. Together they cover currency, materials, and crates in a single visit.