Slime Castle Codes (February 2025)

Updated: February 13, 2025

We checked for new codes!

The slime kingdoms are in crisis, and your task is to evolve into a heroic slime by battling against evil humans. Explore different worlds, collect amazing equipment, and use Slime Castle codes for extra freebies like Gems, but try redeeming them before they expire.

All Slime Castle Codes List

Working Slime Castle Codes 

• SLIME666: 200 Gems and 10 Epic Keys (New)

Expired Slime Castle Codes 

• There are currently no inactive Slime Castle codes.

Related: Girls Evo: Idle RPG Codes

How to Redeem Codes in Slime Castle

Redeeming codes for Slime Castle (available on Google Play and the App Store) will take only a few seconds if you follow the steps below:

Image by Twinfinite

1. Launch Slime Castle — Idle TD Game on your device and complete the tutorial.
2. Hit the settings button in the upper-right corner.
3. Choose the Redeem Code tab from the drop-down menu.
4. Insert a code into the text box.
5. Hit the Confirm button to claim your freebies.

If you want to grab more rewards in similar titles, you can always check out our Codes section here on Twinfinite!

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