Updated: July 15, 2025
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Ready to defend the Slime Castle from hordes of enemies? This isn’t your typical medieval warfare; things can get slippery, so it’s crucial to regularly upgrade your slime army. Dive into this unique gaming experience and keep your castle safe!
Unlock valuable items for free with Slime Castle codes. Your army deserves the best gear and upgrade items. Don’t miss out on these codes—use them before they expire! If you’re also a fan of charming fantasy games, consider exploring the 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
Follow these easy steps to redeem codes for Slime Castle, available on both Google Play and the App Store:
- Launch Slime Castle on Roblox.
- Click the cogwheel icon located in the top-right corner.
- Select the Redeem Code button.
- Enter your code in the pop-up text box.
- Tap Confirm to claim your rewards.
How to Find More Slime Castle Codes
You can discover new Slime Castle codes on the Slime Castle — Idle TD Discord server. Join the community and browse through the channels for the latest updates. However, keep an eye on this article for a convenient list of active codes—bookmark it and come back often to check for new additions.
What should you do if your Slime Castle codes aren’t working? Double-check for any spelling errors. A good tip is to copy and paste the codes to avoid typos. If the codes still don’t work, they may have expired. Let us know if you find any expired codes, and we’ll keep our list up to date!
What Is Slime Castle?
Slime Castle is an engaging mobile tower defense game where you command delightful slimes to fend off waves of foes and protect your slimy kingdom. Upgrade your slimes’ stats, gear, and skills to ensure victory. Prefer to let the game play for you? Activate the auto-battle mode and watch as your tiny warriors secure triumphs on their own.
Explore even more amazing rewards for other mobile titles in our Codes section here on Moyens I/O.