Sanrio Carnival is a puzzle video game for the Nintendo Entertainment System featuring characters from the Sanrio franchise, including Hello Kitty. Players align blocks of the same type in rows of three or more, similar to titles like Columns and Dr. Mario. The game offers multiple single-player modes with distinct objectives and allows players to select music and block themes. Additionally, a two-player versus mode is included.
Sanrio Carnival plays in the style of Columns and Dr. Mario, but features Hello Kitty and her friends. The player must match block objects of the same type in a horizontal or vertical row of three, four of five. The menu allows the player three different single-player styles of game which determines what goal must be met as well as options to choose a music track and theme of the blocks. There is also a two-player versus mode available.