A custom osu! ruleset with unique mods and local PP tracking.

• Local PP — calculates and tracks performance points locally (with local profiles)
• Skip breaks — button to skip break sections
• ModRandomV2 — randomizes hit object positions with configurable patterns
  • Make any map an aim practice map
  • Make any map a stream practice map
• Merged mods — includes NoSliding and SpacingAdjust
• Live star rating — HUD element showing cumulative star rating as you play, updating in real-time (like pp counter)
• Mod preset import/export — share presets via JSON files
• Collection import/export — back up and share beatmap collections
• Chat mod sharing — right-click a chat line to send current mods, right-click a message to apply them

• Miss Challenge — fail if your miss count exceeds a configurable limit (1–100). Option to auto-set from your best local score for the beatmap, matching by active mods (DT rate, AR/CS).

1. Navigate to osu!lazer's data directory: Settings → General → Open osu! folder
2. Might want to backup client.realm just in case
3. Copy osu.Game.Rulesets.MOsu.dll into the rulesets folder
4. Restart osu!lazer

Get the latest .dll from the Releases page.

dotnet build osu.Game.Rulesets.MOsu/osu.Game.Rulesets.MOsu.csproj -c Release

Requires .NET 8.0 SDK.