"Roller Coaster" is a song recorded by South Korean girl group Nmixx.

[2] On June 26, the track listing was released with "Roller Coaster" announced as the pre-release single.

[6] "Roller Coaster" was written by Seo Ji-eum, composed and arranged by Justin Reinstein, with Suhyppy, and Anna Timgren participating in the composition.

[8] "Roller Coaster" was composed in the key of G major, with a tempo of 120 beats per minute.

[9] So Seung-geun wrote for IZM that although the song "escapes the facade of "Mixx-pop", it still contains a weak melody".