Osu: Replay Viewer

For tournament organizers and community detectives, an is a critical anticheat tool. Programs like Circleguard scan for replay stealing (using similarity metrics to see if two replays are identical), aim correction (detecting "snaps" where the cursor teleports unnaturally), and timewarp (analyzing frametime inconsistencies). The 2024 cloutiful case highlighted the importance of keypress analysis, where a community tool exposed tapping hacks that were otherwise invisible. Similarly, programs like the Osu Lost Scores Analyzer allow players to scan local replays to see potential performance point (PP) losses after game updates like CSR.

Most modern tools are updating to support lazer. However, due to lazer's new scoring system and additional mods, some fields (like mods or lifeBarGraph ) may differ compared to stable. The osr-loader package explicitly notes that while lazer replays can be parsed, certain fields are populated differently. The lazer client itself also introduces new performance improvements, such as fixing replay scroll text toggles and improving spectator features.

You can tell a tablet player from a mouse player instantly—the tablet’s cursor hovers and re-positions with a “float”; the mouse player’s cursor has subtle drag acceleration. You can tell a nervous player from a relaxed one: small micro-shakes before a hard section. You can even tell if someone is enjoying the map—their cursor will linger an extra frame on a spinner, savoring the spin. osu replay viewer

// Draw dotted grid (osu! style) ctx.strokeStyle = '#2a3b55'; ctx.lineWidth = 0.5; for (let i = 0; i < canvas.width; i += 40) ctx.beginPath(); ctx.moveTo(i, 0); ctx.lineTo(i, canvas.height); ctx.stroke(); ctx.beginPath(); ctx.moveTo(0, i); ctx.lineTo(canvas.width, i); ctx.stroke();

Want to know why you missed that one note at 00:47:23? Scrub to it. Slow it down to 0.25x. Watch your cursor. Did you overshoot? Did you lift your pen too early? Did your finger stutter on the keyboard? The replay viewer doesn’t judge. It just shows you. For tournament organizers and community detectives, an is

You can toggle the UI on/off (Shift + Tab), speed up playback, and see the hit error bar at the bottom of the screen.

Use community-made third-party tools like osr2mp4 or online Discord bots (such as Ordr ). These services allow you to upload your .osr file to the cloud, where powerful servers render the gameplay into a high-quality 60FPS MP4 video complete with custom skins and cursors. How to Use Replays to Improve Your Skills Similarly, programs like the Osu Lost Scores Analyzer

.title font-size: 1.8rem; font-weight: 700; background: linear-gradient(135deg, #ff9a9e, #fad0c4, #fad0c4); background-clip: text; -webkit-background-clip: text; color: transparent; letter-spacing: -0.5px;

Look at the input overlay. During fast streams, do your keypresses overlap too much (mashing), or is there a distinct, clean alternation between Key 1 and Key 2? If your hit-error bar drifts heavily into the 100s zone as the song progresses, it is a sign that your physical finger stamina is depleted, causing you to fall behind the rhythm. Spot Reading Blindspots

The osu! replay viewer is not a feature. It is a culture .

isPlaying = true; playPauseBtn.innerHTML = '⏸ PAUSE'; startAnimation();