Why server owners choose uSkyBlock

uSkyBlock gives you a complete Skyblock foundation with island progression, deep customization, and a maintained open-source codebase you can build on long term.

Complete Skyblock gameplay

Build your server around islands, progression, challenges, and party play.

Deep customization

Shape the experience with focused configuration including challenge design, biome options, custom islands, and more.

Integrates with your server

Extend uSkyBlock through its public API and placeholder support so it fits cleanly into your server.

Open source with proven lineage

uSkyBlock is fully open source under GPLv3, free to run, and backed by more than a decade of project history.

Maintained for modern servers

Continues to evolve for current Paper and Spigot versions, with new features, docs, support, and maintenance.

International by default

Support international player communities with bundled translations into 53 languages.