| Tab | Warning | Error |
|---|---|---|
| Clap / Whistle |
・Clap and Whistle are mixed within the same difficulty ・Simultaneous Whistle + Clap usage exists |
None |
| 1ms Offset | ・Objects are offset by ±1 ms from the target snap grid | ・Objects are unsnapped from the target snap grid (offset by ±2 ms or more) |
| Sample Set |
・Sample sets other than 1 : Normal exist ・Custom sample sets exist |
None |
| Kiai Comparison |
・Kiai states do not match between difficulties ・Kiai end timing is not explicitly defined |
None |
| Kiai Snap | ・Kiai ON/OFF exists outside of 1/1 snap | ・Unsnapped kiai timing exists |
| Kiai Flash |
・Kiai OFF → ON transition frequency is 3 Hz or higher・BPM during Kiai is 360 BPM or higher
|
None |
| Double SV | ・Double SV lines exist | None |
| Barline |
・Negative-start barline bugs exist ・Separation between notes and barlines exists |
・Double barline issues exist in both clients |
| Red Line & Green Line |
・The following values do not match between simultaneous red lines and green lines:
|
None |
| Slider Velocity / Tick Rate |
・SliderTickRate is not the recommended value (1 or 3) ・SliderMultiplier is not 1.4
|
None |
| Early Volume | ・Volume changes exist close to hit objects (within ± 1/16 snap) | ・The volume difference is 15% or greater |
| Volume Comparison | ・Volume mismatch timing points exist between difficulties | None |
| Artist |
・Contains non-recommended marker formatting ・Invalid spacing around markers ・Does not match recommended Romanised symbol conversion |
・Artist is inconsistent across diffs ・ArtistUnicode is inconsistent across diffs ・Contains consecutive half-width spaces ・Contains full-width spaces |
| Title |
・Contains non-recommended version markers ・Invalid feat. formatting inside the title ・Does not match recommended Romanised symbol conversion |
・Title is inconsistent across diffs ・TitleUnicode is inconsistent across diffs ・Contains consecutive half-width spaces ・Contains full-width spaces |
| Source |
・Unknown Touhou work names are detected ・A recommended Source formatting suggestion exists |
・Source does not match between difficulties ・Possible spelling mistakes in Touhou work names |
| Tags |
・Related tag / abbreviation suggestions exist ・Duplicate tags exist ・Title / Artist / Source-derived duplicate tags exist ・Spacing issues exist |
・Tags do not match between difficulties ・Possible spelling mistakes exist |
| Content Permission Check |
・Conditionally allowed artists / labels ・Content with usage guidelines ・Content associated with past DMCA notices |
・Artists / labels disallowed by osu!official |
| Diff Order | None | ・Spread order cannot be automatically estimated from the difficulty name and requires manual adjustment |
| OD / HP |
・Does not follow Ranking Criteria conditions ・OD is equal to or lower than the previous difficulty ・HP is higher than the previous difficulty |
None |
|
Note Count |
・Matches Ratio warning thresholds for the difficulty pair | ・Matches Ratio error thresholds for the difficulty pair |
| Note Density | ・The lower difficulty contains more Circle notes than the higher difficulty within the same measure | None |
| Rest moment |
・Continuously mapped sections longer than 36/1 exist in Kantan / Futsuu / Muzukashii ・Continuously mapped sections longer than 20/1 exist in Oni |
・Continuously mapped sections longer than 44/1 exist in Kantan / Futsuu / Muzukashii ・Continuously mapped sections longer than 32/1 exist in Oni |
| Scroll Speed |
・Sudden scroll-speed changes exist in lower difficulties ・Unnatural scroll-speed progression exists from lower to higher difficulties ・Local scroll-speed changes in lower difficulties are significantly stronger than those in higher difficulties ・Scroll-speed change direction (acceleration / deceleration) is reversed between difficulties |
None |
| Preview Point |
・Preview point is unsnapped ・The mp3 inside the .osz uses variable bitrate (VBR)
|
・Preview point is not configured ・Preview points differ between difficulties |
| First Note Lag | ・The first note is positioned within 50% of the judgement line when the audio starts loading | ・The first note is positioned within 25% of the judgement line when the audio starts loading |
| BG |
・xOffset / yOffset are inconsistent between difficulties
using the same background file・The file extension is .png |
・The file extension is .jpg / .jpeg but the actual file is PNG・The file extension is .png but the actual file is JPEG
|