Show HN: DanceJump For YouTube – turning videos into browser rhythm game

Re:Show HN: DanceJump For YouTube – turning videos into brow... by maaydin on Wednesday January 14, 2026 @01:55PM (#46620785)

Looks like it falled back to tap to beat mode for you due to some audio reading issues. Normally it listens the audio and finds the bpm automatically. If you can check the developer logs and send a bug report, I can have a look at it.

Add a debug=true in the local storage if there is not much logs.

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Re:Show HN: DanceJump For YouTube – turning videos into brow... by vunderba on Wednesday January 14, 2026 @02:05PM (#46620970)

I created a new Chrome profile, installed extension, and this time it autodetected:

  [INFO] DanceJump: Tap-to-Beat enabled (fallback mode) - UI hidden until needed
  game.js:35 [INFO] DanceJump: Beat Tracker enabled - attempting audio analysis
  game.js:35 [INFO] DanceJump: Background Tracker Started successfully
  game.js:35 [INFO] DanceJump: Stage 1 - Starting auto-generation with placeholder chart

So good job! Tried it with this song:

https://www.youtube.com/watch?v=qMWqNXVCFiw

Feedback:

Default steps were pretty simple, the "arrow" on the right only lets you pause/unpause. I couldn't figure out an easy way to crank up the difficulty. You might even consider an auto-increase of difficulty. As they get more correct, increase the density of arrows as the song progresses.

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