.nsp is a standard Nintendo Switch package format. .rar indicates the file is compressed and will need to be extracted (using WinRAR or 7-Zip) before use.
Since this is the JP version, a quick guide on navigating the menus for non-Japanese speakers is highly valuable. or guide for this specific version
The gameplay retains the signature "Belt Scroll" beat-'em-up action with RPG elements like leveling up and equipment. 2. Version Details or guide for this specific version
If you are creating a blog post, video, or guide for this specific version, consider these angles: or guide for this specific version
A guide mapping which River City characters represent which Three Kingdoms legends.