Updated: July 15, 2025
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Prepare to defend the Slime Castle from invading enemies! In this unique and slippery game, strengthening your slime army is crucial for victory. Regular upgrades will keep your defenses strong and your gameplay enjoyable.
Unlock valuable items with Slime Castle codes. Good gear and essential upgrades are key to elevating your army, so don’t miss out on these codes—they might expire soon. If you’re into adorable fantasy adventures featuring cute mushrooms, check out some Legend of Mushroom codes to build your own mushroom army.
Complete List of Slime Castle Codes
Active Slime Castle Codes
- SUNDAYFM—Redeem for 20 Auto Grind Tickets (New)
- SLIME777—Redeem for Lucky Wheel Tickets (New)
- GUILDRAID—Redeem for Free rewards (New)
- SMILINGS—Redeem for 10 Epic Chest Keys and 3 Epic Runes
- SLIM3TD—Redeem for Free rewards
- TRYME2025—Redeem for Free rewards
- WEEKLY—Redeem for Free rewards
- LUCKY2025—Redeem for 30 Lucky Wheel Tickets
- MONDAY175—Redeem for Free rewards
- LOVE2025—Redeem for 199 Hearts
- SLIME666—Redeem for 200 Gems and 10 Epic Keys
Expired Slime Castle Codes
- There are currently no expired Slime Castle codes.
How to Redeem Codes in Slime Castle
To redeem codes for Slime Castle, simply follow these easy steps (available on Google Play and App Store):
- Launch Slime Castle on Roblox.
- Click on the cogwheel button in the top-right corner.
- Select the Redeem Code option.
- Enter a code in the pop-up text area.
- Press Confirm to claim your rewards.
How to Find More Slime Castle Codes
You can discover more Slime Castle codes by joining the Slime Castle — Idle TD Discord community. Engaging with fellow players can unearth new codes, but for convenience, it’s best to bookmark this article. We consistently update it with new codes for your convenience.
What should I do if my Slime Castle codes are not working?
If your Slime Castle codes aren’t working, check for any errors in spelling. I personally recommend copying and pasting codes to avoid mistakes. If they still fail to work, they may have expired. Let us know if you come across any inactive codes, and we’ll ensure our list stays updated.
What is Slime Castle?
Slime Castle is a mobile tower defense game that puts you in control of adorable slimes as they fend off waves of enemies to protect your kingdom. Upgrading your slimes’ stats, gear, and skills is vital for success. For a more laid-back experience, you can enable the auto-battle feature and watch your army achieve victory while you relax.
For additional great rewards in other mobile games, check out our Codes section on Moyens I/O.