TwinSession

TwinSession allows multiple connections from the same Minecraft account to a single server or world. Seamlessly manage multiple in-game tasks with different clients, all using one account, without disconnections or additional purchases.

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Screenshots

TwinSession on singleplayer - Open To Lan

About this Mod

Goal

The Fabric TwinSession mod enables players to connect to a Minecraft server multiple times using the same account.

This functionality is particularly useful for those who want the advantages of multiple sessions,
such as managing different in-game tasks simultaneously, without needing to purchase additional Minecraft accounts.
When a player connects to the server with the same account for the second time, the mod automatically modifies the player’s username by
adding a numerical prefix followed by an underscore (e.g., "1_PlayerName").

Each additional session increments this number (e.g., "2_PlayerName", "3_PlayerName", etc.).

How to Use

Important note: You can either install this mod as server mod or as a client mod. When installed as a server mod, clients are not required to install this mod as well.

Multiplayer Servers

When installed on a server environment

First Session: Join the server as usual with your Minecraft account.
Second Session: Open another Minecraft client and join the same server with the same account. The mod will automatically modify your username (e.g., "1_PlayerName") to allow the connection.
Additional Sessions: Repeat the process to join the server with more clients using the same account. Each additional session will receive a sequentially numbered username (e.g., "2_PlayerName", "3_PlayerName").

Singleplayer (LAN)

When installed on a client environment

Set Up: Start your Minecraft world and select "Open to LAN" from the pause menu.
Connecting: Follow the same process as in Multiplayer to connect with multiple clients using the same account.

This mod is ideal for players who wish to multitask effectively, such as managing in-game farms or automation, without the need for a separate Minecraft account.

Config

Configuration can be found under /config/twinsession.properties and contains the following settings:

Property	Description	Type	Default value
maxPlayers	Max amount of re-joins per client.	int	8
autoWhitelist	Automatically whitelist if whitelist is enabled.	boolean	true
autoOp	Automatically op if original client is also op.	boolean	true
spawnNearPlayer	Spawn near the player, if false new players will join at world spawn.	boolean	true
spawnNearPlayerRadius	If spawnNearPlayer is enabled, this will set the radius on how close the player should spawn.	int	10
copyTexture	Copy the texture of the original player.	boolean	true
prefixWithNumber	Adds a `$_` prefix to the username (Highly recommended to keep on true)	boolean	true

Reporting Issues

If you encounter any bugs or have suggestions for improvements, please create an issue on our GitHub repository. To create an issue:

Go to the Issues tab of this repository.
Click on "New Issue".
Choose between "Bug report" or "Feature request" template.
Fill out the template with as much detail as possible.
Submit the issue.

Available Versions

TwinSession 1.4.3_26.1-26.1.2release

MC 26.1, 26.1.1, 26.1.2fabric

May 17, 2026

TwinSession 1.4.2 for 1.21.9 to 1.21.11release

MC 1.21.9, 1.21.10, 1.21.11fabric

January 7, 2026

TwinSession 1.4.2 for 1.21.5 to 1.21.8release

MC 1.21.5, 1.21.6, 1.21.7, 1.21.8fabric

January 7, 2026

TwinSession 1.4.2_1 for 21.2 to 1.21.4release

MC 1.21.2, 1.21.3, 1.21.4fabric

January 7, 2026

TwinSession 1.4.2 for 1.21 to 1.21.1release

MC 1.21, 1.21.1fabric

January 7, 2026

How to Install TwinSession on Your Server

Order Server

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

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (26.1.2).

Install Mod

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

Compatibility

Mod Loaders

fabric

Minecraft Versions

26.1.2, 26.1.1, 26.1 (+19 more)

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

TwinSession server crashes on startup – what to do?

Most common cause: wrong fabric 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 (26.1.2). You can switch loaders with one click in the panel.

Is TwinSession compatible with fabric?

TwinSession officially supports fabric for Minecraft 26.1.2, 26.1.1, 26.1. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with TwinSession – how to optimize performance?

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