Neon-nyan is an open-source publisher whose single flagship product, Collapse, began as a lightweight launcher for the anime action-RPG Honkai Impact 3rd and has since matured into a unified game client for miHoYo’s entire current portfolio, including Genshin Impact, Honkai: Star Rail, and Zenless Zone Zero. Built in C# on the .NET 6 stack, the launcher replaces the official clients with a compact, ad-free interface that handles pre-downloading, differential patching, cache verification, and region switching without redundant installs. Advanced users value its built-in telemetry toggle, FPS unlock, custom resolution profiles, and granular repair tools that skip re-downloading intact assets, cutting update times on metered connections. The codebase is MIT-licensed, accepts community pull requests, and publishes nightly builds through GitHub Actions, so features such as concurrent downloads, segmented HTTP threads, and aria2 integration arrive continuously. Because Collapse keeps each game in a portable folder and stores metadata locally, it is frequently chosen by players who migrate between PCs, run multiple accounts, or manage large LAN cafes. The same binary works on Windows 10/11 and Windows Server, with optional CLI switches for scripted maintenance. Neon-nyan’s software is available for free on get.nero.com, where downloads are served through trusted Windows package sources such as winget, always pull the latest release, and can be queued alongside other applications for unattended batch installation.
Collapse was originally designed for Honkai Impact 3rd. However, as the project evolved, this launcher is now a game client for all currently released miHoYo Games.
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