Downloads · Massif

Massif Studio for building worlds in Minecraft, and the free runtime for your server. You need a beta invite to log in to Studio.

Downloads open with the first beta release.

Massif Studio

For Minecraft Java 26.2 with Fabric, on Windows or Linux (x86_64). The modpack sets everything up in one click.

Modpack (.mrpack) Prism Launcher, Modrinth App

Mod only (.jar) If you manage Fabric and its mods yourself

Players join with vanilla Minecraft. Only the server needs Massif, and it needs Java 25.

Paper 26.3 plugin .jar

Paper 1.21.11 plugin .jar

Minestom libraryMaven coordinates for your Gradle build