Semiotic Signs

A mod for Java 1.20.1+ that adds signs inspired by Ron Cobb's visual design work on Alien.

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About this Mod

A mod that adds 40 luminous sign items to Minecraft 1.20.1+.
This mod is based off Ron Cobb's visual design work for the movie Alien.
Each sign is designed to quickly indicate an area's purpose with simple iconography instead of complicated diagrams or text requiring multiple translations.

Each sign is assembled from a painting and one or more mundane items or dyes. Each sign can be duplicated with a regular painting to save on further resources, and each sign can be also crafted back into a regular painting should it need to be recycled.

The colorscheme used comes almost exclusively from the Tango palette.

Available Versions

Semiotic Signs 0.1-1.20.1release

MC 1.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.5, 1.20.6forge

January 16, 2026

How to Install Semiotic Signs 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 (1.20.6).

Install Mod

Open the mod browser in the dashboard and search for "Semiotic Signs". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

forge

Minecraft Versions

1.20.6, 1.20.5, 1.20.4 (+3 more)

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Semiotic Signs 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 (1.20.6). You can switch loaders with one click in the panel.

Is Semiotic Signs compatible with forge?

Semiotic Signs officially supports forge for Minecraft 1.20.6, 1.20.5, 1.20.4. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Semiotic Signs – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Semiotic Signs 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.