Self-host in minutes
A guided wizard sets everything up on macOS, Linux, or Windows. Solo play or a server for friends — both work the same way.
Lunar Tear
Relive NieR Re[in]carnation — a community-run private server keeping the Cage alive after the official sunset.
Preserving the Cage
Section titled “Preserving the Cage”Open source
Clean-room reverse-engineered. MIT-licensed. Inspect, fork, and contribute on GitHub.
Bring your own client
The project ships no game client, assets, or master data. You supply your own copy; everything on the wire is handled here.
Built by the community
Active development, frequent releases, and a Discord where you can help test, report bugs, or just lurk.