BOP

Play a 6KEY rhythm game alongside YouTube, with synced charts, visual skins, and a chart editor.

THIS EXTENSION IS FOR BETA TESTING. BOP BETA is a 6KEY rhythm game that you can play alongside music on YouTube. Open a supported video and play with the A S D J K L keys in the Chrome side panel. • Six-key tap and hold notes • A variety of visual skins and judgment effects • Note speed settings and input timing calibration • Key and hold practice for new players • Quick Capture and an editor for creating your own charts • Available in English and Korean Only videos with available charts can be played. During the current beta, some charts are provided as short sample sections. Music and video are played through the original YouTube player. BOP does not download or redistribute any audio or video. The core game and chart editor can be used without an account. Personal library sync is optional after signing in with Google and confirming the initial merge. BOP is a free, non-commercial fan project and is not affiliated with or endorsed by YouTube or any music or video rights holder. Support and beta feedback: supportbop@gmail.com