Love Live! School Idol Festival

A popular rhythm and card-collection mobile game based on the Love Live! anime and music franchise. NPPS4 is an open-source server emulator recreating its backend API.

Original game: Closed
Community project availability is listed separately below.

Community revivals

In development

NPPS4

A comprehensive open-source server emulator for Love Live! School Idol Festival (SIF1) written in Python and FastAPI, recreating user profiles, live shows, scouting, and game events.

Source checked Nov 5, 2026 · Published project information, not a gameplay test.

Visit project website Project details →

How to get started

Deploy the server locally with Docker or Python 3.12+ following instructions in the official GitHub repository.

Keep exploring

Understand project status, downloads and independent accounts before you get started.

Before you install a community revival →