Check out the updated version of ExtremeLauncher, the latest version supports all versions of Minecraft and Java.

TeamExtreme Launcher

7 January, 2023

TeamExtreme Launcher

TeamExtreme Launcher is very well known European offline launcher that supports servers like but also all offline / non-premium servers in general.

Before shutting down the server was running on Minecraft version 1.10 and was hosting up to 500 players at the same time. Since TeamExtreme shut down, the only alternative launcher that is working with offline mode and all versions of Minecraft can be found here: ExtremeLauncher

Even supports latest 1.16.1, enjoy