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Support

Most problems here have one-minute fixes. Start with the match below; if nothing fits, send us feedback and we'll reply directly.

Found a bug or want a feature?

Send feedback — you'll see our replies in your dashboard.

Send feedback

The game can't hear me

Nine times out of ten this is browser permission, not hardware. The microphone help page walks through every browser's permission prompt, the silent-recording gotchas (Bluetooth earbuds mid-switch, OS-level mic privacy toggles), and how to confirm input is arriving.

Export fails or produces no file

Export uses your browser's built-in encoder. A very old browser falls back to audio-only export; a private-browsing window with storage blocked can fail entirely. Update the browser, retry in a normal window, and keep the tab in the foreground while it renders — the status line under Export shows progress.

A pack is broken, wrong, or shouldn't be here

Each of the 142 packs names its creator, with an original source link where available. Send us the pack URL and the affected line so we can investigate timing or playback problems. Rights concerns can be reported through the copyright page.

Feature questions

New to recording? Start with the playing guide. For rhythm, duration and coverage, read the score explanation.

Compatible pack ZIPs can be imported locally through Your Packs. To prepare a new video, use DubBooth from the header; that separate service uploads the video for processing and has its own account and credit options. Practice, scoring and standard export here remain free.

You can create a challenge and send its link to a friend after signing in. This is a score challenge, not a live multiplayer room. The original desktop game has its own multiplayer features.