A launcher often simply passes server settings to the client via URL parameters; e.g.:
This approach keeps the launcher stateless and simple while letting the client handle runtime configuration and connection. eaglercraft client launcher
| Feature | Description | |---------|-------------| | | The launcher includes its own runtime (or uses bundled JS/WASM) | | Offline mode | Play singleplayer without any internet connection | | Multi-version support | Switch between 1.5.2, 1.8.8, and 1.12.2 gameplay | | Server support | Join public Eaglercraft servers (e.g., eaglercraft.org, coolkidsmp) or host your own | | Fullscreen | Native fullscreen without browser UI | | Resource packs | Load custom resource packs (JSON-based) | | Skins | Use custom skins via offline-mode skin servers or local files | | Cross-platform | Windows, Linux, macOS (via Java JAR) | | Portable | No installation needed – run from USB drive | A launcher often simply passes server settings to