The Art of the Playback: The Role of the Replay Viewer in osu!
: Trim the .osr file to only include a specific "god module" or a fail point, then save that segment as a new, smaller replay file.
"We look for 'snapping'," explains one long-time community moderator. "Human movement is fluid. If the cursor snaps from point A to point B instantly without any travel time, or if it follows an inhumanly perfect curve, the replay viewer exposes it." osu replay viewer
| Problem | Likely Cause | Solution | | :--- | :--- | :--- | | | Beatmap version mismatch | Re-download the exact version of the beatmap used for the replay. | | Cursor teleports or shakes | Frame rate difference (60fps vs 1000fps) | In native viewer, press F7 to force 240fps playback. | | Replay won't load in third-party viewer | Corrupted .osr file | Try re-downloading from osu! server. Avoid converting .osr to .mp4 . | | Sliders look broken | Native renderer bug | Use a third-party viewer like Gink or Circleguard. |
Best for: Showing off a cool feature, a specific replay, or a lightweight tool. The Art of the Playback: The Role of
replayFrames = [...framesArray].sort((a,b)=> a.timeMs - b.timeMs); totalDuration = durationMs > 0 ? durationMs : (replayFrames[replayFrames.length-1]?.timeMs
Not everyone wants to download software. offers a robust web-based osu replay viewer . "Human movement is fluid
// animation loop (requestAnimationFrame) let lastFrameTime = 0; function startAnimation() if (animationId) cancelAnimationFrame(animationId); function animate(now) if (!isPlaying) return; if (lastFrameTime === 0) lastFrameTime = now; let delta = Math.min(100, now - lastFrameTime); if (delta > 0) let step = delta * 1.0; // 1x speed, can modify let newTime = currentTime + step; if (newTime >= totalDuration) newTime = totalDuration; setCurrentTime(newTime); isPlaying = false; playPauseBtn.innerHTML = '▶ PLAY'; cancelAnimationFrame(animationId); animationId = null; lastFrameTime = 0; return;
The greatest advantage of an is learning from the best. You are not limited to your own replays. Here is how to watch plays from players like cookiezi , mrekk , or Vaxei .