Excitement is building among Nintendo fans following recent filings that hint at the possibility of a new GameCube controller being developed for use with the upcoming Nintendo Switch 2. This controller is speculated to be compatible with the Nintendo Switch Online subscription service, potentially allowing players to enjoy GameCube classics on the new console.
According to Nintendo Life, a new FCC filing by Nintendo for a "game controller" aligns with the specifications of the Switch 2, suggesting it could be a wireless Bluetooth device. Further investigation by the internet community on Famiboards has led to speculation that one of the images from the filing matches the label location on the back of a GameCube controller, specifically behind the C-Stick.

While this could be mistaken for a Switch 2 Pro Controller, the prevailing theory is that it will be used with Nintendo’s Switch Online service, which already supports wireless classic controllers for retro gaming.
This development has sparked discussions about the potential inclusion of a GameCube game library on the Nintendo Switch Online service. Fans have long advocated for GameCube titles on the Switch, but so far, Nintendo has focused on re-releasing games from the NES, SNES, N64, Sega Genesis, and Game Boy. Could the Switch 2 finally bring GameCube games to the forefront of Nintendo’s online offerings?
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The Switch 2 was unveiled earlier this year with a teaser trailer that confirmed features such as backwards compatibility and the addition of a second USB-C port. However, many details, including the function of a new mysterious button on the Joy-Con and other game titles, remain undisclosed. The theory of a Joy-Con mouse has gained some attention.
Recent patents suggest that the Switch 2's Joy-Con controllers may be capable of being attached upside down, thanks to a magnetic system rather than the rails used in the original Switch. This innovation could allow players to customize button placement and other features, potentially leading to new gameplay mechanics if implemented in the final product.
Top 25 Nintendo GameCube Games

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Analysts predict that the Switch 2 will be priced at around $400, though some speculate it could reach up to $500. June has been floated as a possible release month.
Despite the many unknowns about the Switch 2, Nintendo has scheduled a Direct for April 2, where they plan to reveal more about the console.
In the meantime, fans can enjoy a taste of GameCube nostalgia with Metroid Prime Remastered, available on the current Nintendo Switch.