
SecretRooms-Unofficial
Secret Rooms mod, now ported to 1.20.1, 1.21.1 by bay4lly! Features fully functional camouflage blocks, Ghost Blocks, and hidden Redstone. Optimized rendering and bug-free performance for the ultimate stealth experience. Unofficial & high-performance.
Screenshots

About this Mod
Ever wanted to hide your diamonds in plain sight? Or build a secret base that only you can enter? Secret Rooms adds a variety of blocks that camouflage themselves to the surrounding world. They look like normal blocks but have extraordinary functions.
This version is a clean, dedicated port to 1.20.1,1.21.1, ensuring compatibility with modern modpacks and fixing long-standing rendering issues from previous versions.
✨ Key Features
- Ghost Blocks: Look solid, but you can walk right through them!
- One-Way Glass: See the world while remaining hidden.
- Secret Levers & Buttons: Perfectly hidden triggers for your redstone contraptions.
- Secret Clamber: Invisible ladders for vertical escapes.
- Secret Redstone: Fully functional hidden power lines.
🛠️ Installation
- Make sure you have Forge 1.20.1 or NeoForge 1.21.1 installed.
- Drop the
SecretRooms-x.xx.x-Unofficial-xxxxxxxx.jarinto your mods folder. - Launch and enjoy!
📜 Credits & Licensing
- Original Creator: AbrarSyed
- Previous Maintainer: Wyn Price
- 1.20.1,1.21.1 Port by: bay4lly
Disclaimer: This is an UNOFFICIAL port. Please do not contact the original authors for support regarding this version. All rights to the original concepts belong to their respective owners.
📞 Links & Support
- Report Bugs: Add my Discord Account(forget1221official)
- Original Source Code: Wyn-Price/SecretRooms
Available Versions
How to Install SecretRooms-Unofficial on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set forge Loader
In the panel under "Egg", select the forge loader and matching Minecraft version (1.21.1).
Install Mod
Open the mod browser in the dashboard and search for "SecretRooms-Unofficial". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.1, 1.21, 1.20.4 (+4 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
SecretRooms-Unofficial server crashes on startup – what to do?
Most common cause: wrong forge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.1). You can switch loaders with one click in the panel.
Is SecretRooms-Unofficial compatible with forge and neoforge?
SecretRooms-Unofficial officially supports forge, neoforge for Minecraft 1.21.1, 1.21, 1.20.4. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with SecretRooms-Unofficial – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if SecretRooms-Unofficial consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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