A simple game that tests how well you can match musical notes by ear. Listen to a tone, then tune your own to match it across five rounds.
Listen carefully to the reference note, then drag to adjust your own pitch until you think it matches. Confirm your answer to see how close you were. Includes a harder mode.
Pitchline was submitted to SlowDen by Tegazumi Games. SlowDen did not make this game - it is published here from the developer's own submission, added on 2026-11-01. It runs in the browser with no download, no install and no sign-up.