MOD features
Unlimited Diamonds / Hearts
Change the extension from *.apk to *.apks, then install via SAI (Split APKs Installer).
Screenshots
Description
Mermaid Castle is a soothing casual title crafted for anyone looking to kick back and de-stress. In this game, you get to construct and expand a magnificent sunken palace, bring in lively sea creatures, and keep the underwater realm buzzing with activity. You will have access to over 250 varieties of marine life (and beyond), alongside dozens of unique ocean species. Before long, your sanctuary will be bustling with curious visitors eager to admire your breathtaking creation. To top it off, lovely visuals, serene melodies, and gentle aquatic sound effects make it easy to lose track of time and enjoy a truly peaceful escape.
How to install
- Download the APK file above to your phone.
- Allow “Install unknown apps” when prompted.
- Open the downloaded APK and tap Install.
- If the package includes OBB/XAPK data, follow the bundled instructions.
MOD APKs are modified builds, so Play Protect may show a warning. Install only if you trust the file; use at your own risk.


