2026.924.0

Caution

USE AT YOUR OWN RISK!

Using this ruleset may result in an account ban, as warned by peppy.

Although no ban has been reported for such case, the possibility still exists.
Do NOT use this ruleset in an online/release lazer build, and do NOT try to submit any scores to the official server with the ruleset running.
Refrain from use until peppy provides further clarification on the permitted scope for custom rulesets.

osu-EditorModdedTestPlay

An osu!lazer custom ruleset that adds Mod Select into Editor so you can test play with mods.

Showcase

Install & Uninstall

Installation script (recommended)

Download and run the installer script (Windows) or installer script (Linux/Mac).

Similarly you can use uninstaller script (Windows) or uninstaller script (Linux/Mac).

Manual install

The script above does the same as follows.

Go to Releases, download the .dll file, and place it in the rulesets subfolder of your osu!lazer directory.

• On Windows, this is usually located at %APPDATA%\osu\rulesets
• On Linux, it's usually at ~/.local/share/osu/rulesets

For uninstallation, delete the .dll file.

Build

Requires .NET 8.0 or higher.

dotnet build -c Release

Or dotnet build for a debug build.

Acknowledgements

• ppy/osu: The official osu!lazer project
• MATRIX-feather/LLin: A custom ruleset that provides beatmap downloads from a mirror site and includes a music player

Changelog

• Update to latest ppy.osu.Game
• Add back playback speed tab control

Full Changelog: 2026.804.0...2026.924.0

2026.917.0

Caution

USE AT YOUR OWN RISK!

Using this ruleset may result in an account ban, as warned by peppy.

Although no ban has been reported for such case, the possibility still exists.
Do NOT use this ruleset in an online/release lazer build, and do NOT try to submit any scores to the official server with the ruleset running.
Refrain from use until peppy provides further clarification on the permitted scope for custom rulesets.

osu-EditorModdedTestPlay

An osu!lazer custom ruleset that adds Mod Select into Editor so you can test play with mods.

Showcase

Install & Uninstall

Installation script (recommended)

Download and run the installer script (Windows) or installer script (Linux/Mac).

Similarly you can use uninstaller script (Windows) or uninstaller script (Linux/Mac).

Manual install

The script above does the same as follows.

Go to Releases, download the .dll file, and place it in the rulesets subfolder of your osu!lazer directory.

• On Windows, this is usually located at %APPDATA%\osu\rulesets
• On Linux, it's usually at ~/.local/share/osu/rulesets

For uninstallation, delete the .dll file.

Build

Requires .NET 8.0 or higher.

dotnet build -c Release

Or dotnet build for a debug build.

Acknowledgements

• ppy/osu: The official osu!lazer project
• MATRIX-feather/LLin: A custom ruleset that provides beatmap downloads from a mirror site and includes a music player

Changelog

• Autoplay mods works as expected now
• Quicker loading for test play (tho loading screen looks a bit weird)
• Replace speed control in Editor for max 3.0 speed preview

Full Changelog: 2026.804.0...2026.917.0

2026.917.0-tachyon

Caution

USE AT YOUR OWN RISK!

Using this ruleset may result in an account ban, as warned by peppy.

Although no ban has been reported for such case, the possibility still exists.
Do NOT use this ruleset in an online/release lazer build, and do NOT try to submit any scores to the official server with the ruleset running.
Refrain from use until peppy provides further clarification on the permitted scope for custom rulesets.

This release is for the current Tachyon release. If you don't run Tachyon, go to the latest non pre-release build.

Changelog (as in tachyon branch)

• Upgrade to .NET 10

For other functional changes, see latest release changelog.

Full Changelog: 2026.902.0-tachyon...2026.917.0-tachyon

2026.902.0-tachyon

Caution

USE AT YOUR OWN RISK!

Using this ruleset may result in an account ban, as warned by peppy.

Although no ban has been reported for such case, the possibility still exists.
Do NOT use this ruleset in an online/release lazer build, and do NOT try to submit any scores to the official server with the ruleset running.
Refrain from use until peppy provides further clarification on the permitted scope for custom rulesets.

This release is for the current Tachyon release. If you don't run Tachyon, go to the latest non pre-release build.

Changelog

Full Changelog: 2026.804.0...2026.902.0-tachyon

2026.804.0

Caution

USE AT YOUR OWN RISK!

Using this ruleset may result in an account ban, as warned by peppy.

Although no ban has been reported for such case, the possibility still exists.
Do NOT use this ruleset in an online/release lazer build, and do NOT try to submit any scores to the official server with the ruleset running.
Refrain from use until peppy provides further clarification on the permitted scope for custom rulesets.

osu-EditorModdedTestPlay

An osu!lazer custom ruleset that adds Mod Select into Editor so you can test play with mods.

Showcase

Install & Uninstall

Installation script (recommended)

Download and run the installer script (Windows) or installer script (Linux/Mac).

Similarly you can use uninstaller script (Windows) or uninstaller script (Linux/Mac).

Manual install

The script above does the same as follows.

Go to Releases, download the .dll file, and place it in the rulesets subfolder of your osu!lazer directory.

• On Windows, this is usually located at %APPDATA%\osu\rulesets
• On Linux, it's usually at ~/.local/share/osu/rulesets

For uninstallation, delete the .dll file.

Build

Requires .NET 8.0 or higher.

dotnet build -c Release

Or dotnet build for a debug build.

Acknowledgements

• ppy/osu: The official osu!lazer project
• MATRIX-feather/LLin: A custom ruleset that provides beatmap downloads from a mirror site and includes a music player