The file formats that are playable depend on the operating environment, so please prepare the below 2 file formats with the same file name.
WebM(.webm)
MP4 (.mp4 encoded with H.264 codec)
* When creating a game that will be played on Windows or Mac, please prepare only the WebM file format. When creating a game that will be released on the web or made for Android/iOS, both file formats are required.