- Home: https://usdx.eu/, https://sourceforge.net/projects/ultrastardx/
- Inspiration: SingStar
- State: mature
- Download: https://usdx.eu/downloads/
- Platform: Windows, Linux, macOS
- Keyword: music, remake, karaoke
- Code repository: https://github.com/UltraStar-Deluxe/USDX.git (@created 2015, @stars 759, @forks 155), https://github.com/UltraStar-Deluxe/legacy-sourceforge-svn-mirror.git @add (@archived, @created 2015, @stars 2, @forks 2), https://svn.code.sf.net/p/ultrastardx/svn (svn)
- Code language: Pascal
- Code license: GPL-2.0
- Code dependency: Lua, SDL2
- Developer: Alexander, Alexander Sulfrian, barbeque-squared, basisbit, Benedikt Krueger, blindy, Brian, Brian Chalega da Silva, brianch, brunzel, Canni, Dawid Dembowski, djazz, Eddie, ePirat, Felix Kaechele, GaryCXJk, Hermann Döppes, Holger Kuhn, jay binks, joachimdieterich.com, Jose Riha, K.-M. Schindler, Karl-Michael Schindler, lotan_rm, Markus, Markus Böhning, Marvin Scholz, MezzoX, Mog, mota23, RattleSN4K3, s09bQ5, shazzzzam, Simon Ruderich, Stefan, Stefan L., TheNotary, Tobias Gunkel, Valérianne, Whiteshark
Karaoke game.
- Build system: Lazarus project
- Build instruction: https://github.com/UltraStar-Deluxe/USDX/blob/master/README.md#5-build-and-run