UltraStar Deluxe - A free and open source karaoke game inspired by the Singstar™ game, runs on Windows, Linux and macOS.
New Super Mario Bros. Wii - New Super Mario Bros.
KaraFun - KaraFun is the best online karaoke. Over 35,000 karaoke songs, with studio quality, at home or on the go. Regular updates. Free demo!
Castlevania: Symphony of the Night - Castlevania: Symphony of the Night is an Action Role-playing, Platform, Side-scroll and Single-player video game created and published by Konami.
OpenKJ - Open source cross platform karaoke hosting software
Kirby’s Adventure - Kirby’s Adventure combines the elements of Action, Side-scroll, and Platform by HAL Laboratory.