osu/osu.Game/Screens/Play/HUD
..
HitErrorMeters
DefaultAccuracyCounter.cs
DefaultComboCounter.cs
DefaultHealthDisplay.cs
DefaultScoreCounter.cs
FailingLayer.cs
GameplayAccuracyCounter.cs
GameplayLeaderboard.cs
GameplayLeaderboardScore.cs
GameplayScoreCounter.cs
HealthDisplay.cs
HoldForMenuButton.cs
ILeaderboardScore.cs
LegacyComboCounter.cs
MatchScoreDisplay.cs
ModDisplay.cs
ModFlowDisplay.cs
MultiplayerGameplayLeaderboard.cs
PerformancePointsCounter.cs
PlayerSettingsOverlay.cs
SkinnableInfo.cs
UnstableRateCounter.cs