osu! glossary

This glossary defines the osu! terms that show up on TrackMyOsu and on osu!'s own site — pp, top plays, rank, accuracy, grades, and the rest. Each entry has a short definition, an example, and links to related terms. Click any term for the full explanation.

PP (performance points)
osu!'s skill rating: a decaying weighted sum of your best score on each ranked beatmap.
Top play
One of the highest-pp scores on your profile; best performance keeps one per beatmap.
Global rank
Your worldwide position among ranked osu! players, ordered by weighted profile pp.
Country rank
Your position among ranked osu! players from your country, ordered by weighted pp.
Accuracy
How cleanly you hit each object, as a percentage weighted by judgement value.
Grades (SS, S, A, B, C, D)
Letter grades D to SS awarded per play; thresholds differ by mode and by client.
Combo
A streak of consecutive hits without a break; max combo is the longest streak.
Ranked score
Sum of your best passing score on every ranked, approved and loved beatmap.
Total score
Every submitted score added together, including failed attempts and repeats.
Play count
The number of plays you have submitted, failed attempts included.
Play time
Cumulative seconds spent in osu! gameplay, reported per game mode.
Level
A cosmetic milestone derived entirely from total score, with no effect on pp or rank.
Medal
A one-off osu! achievement unlocked for a specific feat, across eight categories.

Guides that use these terms

The glossary defines the vocabulary; the osu! guides work through it in depth — how pp is calculated and weighted, what star rating measures, how mods change a score, why a rank drops without playing, and how to read a top-100 list.

Last updated 2026-08-13.

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TrackMyOsu snapshots your pp, rank and top plays when you start playing, then shows exactly what changed when you stop. Every session is kept permanently. Free, no install, no password — it uses osu! OAuth.

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