Alterna

Alterna

Transforming Minecraft one phase at a time

by
604 Downloads
neoforgeadventureequipmentmobs
Rent Server with this Mod

Screenshots

New Tridents
Conch Shell
Gliders
River Salmon

About this Mod

Mod logo

Alterna is a mod that aims to transform the game bit by bit, one "phase" at a time.

Each phase will have many versions released to add onto the theme, almost like this mod's version of game drops.

Please check the changelogs for more information, they're very detailed!

You can also join the Discord server to keep up with news or share feedback.

Dev Team

lycanlucy

Art Team

VitreousGlassy | ianaduarte | cw.png | OyamaCallista | Decadenza

Available Versions

Alterna 1.3.1release
MC 1.21.1neoforge
June 10, 2026
Alterna 1.3.0release
MC 1.21.1neoforge
June 7, 2026
Alterna 1.2.2release
MC 1.21.1neoforge
June 4, 2026
Alterna 1.2.1release
MC 1.21.1neoforge
June 4, 2026
Alterna 1.2.0release
MC 1.21.1neoforge
June 3, 2026

How to Install Alterna on Your Server

1

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

2

Set neoforge Loader

In the panel under "Egg", select the neoforge loader and matching Minecraft version (1.21.1).

3

Install Mod

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

Compatibility

Mod Loaders

neoforge

Minecraft Versions

1.21.1

Server-side

Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Alterna server crashes on startup – what to do?

Most common cause: wrong neoforge 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 Alterna compatible with neoforge?

Alterna officially supports neoforge for Minecraft 1.21.1. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Alterna – how to optimize performance?

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

Rent Modded Server

Install Alterna with just one click on your server.

Recommended RAM
4 GBab €8/mo
Min. 3 GB | +1 GB pro 8 Spieler
Create Server Now
1-Click Mod Install
NVMe SSD Storage
DDoS Protection included

Details

License
LicenseRef-Custom
Server-side
Required

Supported Versions

1.21.1