The Entertainment Software Board has rated Nintendo World Championships: NES Edition for Switch.
Here is the rating board’s description of the game:
Given its title, the game is possibly a port or remake of the Nintendo Entertainment System title Nintendo World Championships 1990. The cartridge was only ever used in the Nintendo World Championships competition held in 1990, and features challenge-based versions of Super Mario Bros., Rad Racer, and Tetris, all three of which are only playable for six minutes and 21 seconds each. (Thanks, Super Mario Wiki.)
Reputable Nintendo insider Pyoro, who has accurately leaked numerous Nintendo reveals in the past, first teased this announcement on May 2, and confirmed that this is what they were referring to today. According to Pyoro, Nintendo World Championships: NES Edition will not be a free game—it is priced at $29.99—and it is not just a port.
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