UltraStar Deluxe is a free and open-source singing game. It allows up to six players to sing along with music using microphones in order to score points, depending on the pitch of the voice and the rhythm of singing.

Objectives:

• Install UltraStar Deluxe on Ubuntuor Linux Mint
• Enjoy!

There used to be a PPA repository maintains the game packages for Ubuntu & Linux Mint users, which however has no longer been updated for years.

For the most recent 2025.2.1 release, it can be installed by using Flatpak package which runs in sandbox environment.

Tips: Linux Mint 21/22 may simply launch Software Updater, then search & install the UltraStar Deluxe package.

While, Ubuntu users may run the 2 commands below one by one to install:

• First, install the flatpak daemon package:

  sudo apt install flatpak

  For old Ubuntu 18.04, add this PPA first for the updated Flatpak package.

• Then, run command to install the game package:

  flatpak install https://dl.flathub.org/repo/appstream/eu.usdx.UltraStarDeluxe.flatpakref

After installation, either search & launch the game from system application launcher (may need a log out and back in), or run the command below in terminal instead:

flatpak run eu.usdx.UltraStarDeluxe

(Optional) To uninstall the package, use command (Ctrl+Alt+T):

flatpak uninstall --delete-data eu.usdx.UltraStarDeluxe