"Remixed stages" refers to existing stages or areas in a production (such as a game or a concert) that have been modified, rearranged, or updated with new elements or features to provide a fresh and unique experience. Full definition
Additional content, which was only briefly teased at SXSW, will include a new «encore» mode of remixed stages and a new version of the original's «competition mode» that will let up to four players race side by side. (sonichq.net)
The NES Remix lets users play a downloadable course that samples Remix Stages from the series, which is based on previous Mario NES games, and adds a new spin to the classic — old school levels on the side - scrolling platform and level - building game. (techtimes.com)
Sonic Mania Plus comes with additional content not included with Sonic Mania, such as Encore Mode with remixed stages and four - player Competition Mode. (vg247.com)