Dr. Mario was released by Nintendo in 1990 for the NES and Game Boy, with music by Hirokazu Tanaka. Players could choose between two in-game tracks, Fever and Chill, and Fever became the more widely recognised for its faster, catchier loop. The theme has been remixed and re-released across later Dr. Mario games and Nintendo collections, keeping it familiar to new players. Online, the short loop survives on soundboards and in edits as an instant shorthand for retro puzzle gameplay and playful pressure.