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mosu

osu! practice ruleset with unique mods and local PP tracking.

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Last edited by p720 p720 at September 18, 2026 05:16 PM UTC

MOsu

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

Features

  • Local PP — (with local profiles)
    local_pp

  • Skip breaks — button to skip break sections
    breakskip

  • ModRandomV2 — like random but you can increase the distances between objects, separate for aim and stream (configured by divisor)

  • Make any map an aim practice map
  • Make any map a stream practice map

modrandomv2

  • ModCircleGen — generate a long stream practice map from any map (or you can do 32x 16x triples etc...)

modcirclegen

  • 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).
    image

  • Merged mods — includes NoSliding and SpacingAdjust
    nosliding
    spacingadjust

  • Live star rating — HUD element showing cumulative star rating as you play, updating in real-time (like pp counter)
    livestarrating

  • Mod preset import/export — share presets via JSON files

  • Collection import/export — back up and share beatmap collections

importexport

  • Chat mod sharing — right-click a chat line to send current mods, right-click a message to apply them, or type /md or /mods to send and click the link to apply.
    image

  • Suggested songs at the expanded score view.
    image

Examples for mod usage and example maps included:

image
image

Install

  1. Navigate to osu!lazer's data directory: Settings → General → Open osu! folder
  2. Copy osu.Game.Rulesets.MOsu.dll into the rulesets folder
  3. Restart osu!lazer

Download

Get the latest .dll from the Releases page.