Update: We found 6 new Idle Defense codes on February 04, 2026 and added them to the list.
Idle Defense uses gift code redemptions to grant free units and different types of Presents that speed up early progression and unit upgrades.
Idle Defense working codes (February 2026)
All known currently working codes for Idle Defense are listed below.
| Code | Reward | Status |
|---|---|---|
2026 |
Sky Lighter unit | Working |
ADVANCEDSHOP30 |
30 Advanced Presents | Working |
MOONLIGHTPRESENTS25 |
25 Moonlight Presents | Working |
MOONLIGHT |
5 Moonlight Presents | Working |
FIRSTBOSSLURE1 |
3 Phantom Outlaw Lures | Working |
1MIL |
In-game freebies (unit progression rewards) | Working |
Idle Defense expired codes
The following codes have been reported as no longer redeemable and should be treated as expired.
| Code | Reward | Status |
|---|---|---|
LETMEENCHANTBESTIE |
Event rewards | Expired |
SANTASLASTGIFT |
Event rewards | Expired |
BUFFNOOB |
Early-game freebies | Expired |
WAVE7 |
Early-game freebies | Expired |
How to redeem codes in Idle Defense
Step 1: Start Idle Defense from its Roblox experience page at https://www.roblox.com/games/81505591700031/Idle-Defense and wait until your character has fully loaded into the lobby.
Step 2: On the right side of the screen, locate the yellow button or icon labeled for codes or coupons and click it to open the redemption window.
Step 3: Click inside the text field that appears, type one of the working codes exactly as shown in the table (codes are case-sensitive), then press the green Confirm button.
Step 4: Watch for the on-screen confirmation and the items being added to your account inventory, such as the Sky Lighter unit or additional Presents. If nothing is awarded and a message indicates failure, the code is either mistyped, already used on your account, or expired.
What Idle Defense codes give you
Idle Defense codes focus on two main reward types that directly affect progression and defense strength.
Step 1: Use unit codes like 2026 to unlock specific units such as Sky Lighter. These units can be placed immediately in your defense grid and help clear early waves that basic towers struggle with.
Step 2: Redeem Present codes such as MOONLIGHTPRESENTS25, MOONLIGHT, and ADVANCEDSHOP30 to obtain Moonlight Presents and Advanced Presents. These are used for unit upgrades and other progression systems, letting you increase damage, attack speed, and range faster than relying only on wave income.
Step 3: Apply functional codes like FIRSTBOSSLURE1 to receive items such as Phantom Outlaw Lures, which are tied to specific encounters and provide targeted progression tied to bosses or special enemies.
How to confirm an Idle Defense code worked
Step 1: After pressing Confirm when entering a code, check for a short success message or pop-up near the center or bottom of the screen stating that the reward has been granted.
Step 2: Open your unit or inventory menus and look for changes that match the code reward, such as the Sky Lighter unit appearing among your placeable units, or your Moonlight Presents and Advanced Presents totals increasing by the expected amount.
Step 3: If you see an error message indicating the code is invalid, already redeemed, or expired, verify spelling and capitalization. If it still fails after correction, treat that specific code as unavailable for your account.
How to get new Idle Defense codes
Step 1: Join the official Idle Defense Discord server, where the developers share announcements and new code drops during updates, milestones, and events. The invite currently used for the community is KA8hGxR3Z4 on Discord.
Step 2: Monitor in-game announcements and the experience description on the Roblox page for temporary codes tied to new waves, holidays, or player-count milestones.
Step 3: Redeem any new codes as soon as possible, since event and celebration codes are frequently time-limited and may stop working without prior warning.