https://www.cnet.com/news/nintendo-has-classic-nes-controllers-for-your-switch-but-theres-a-catch/ > When we reached out to Nintendo USA, we got a statement that suggests they might work with other games, but don't count on it. "The NES controller is designed for use with NES – Nintendo Switch Online games. Compatibility with other games is not guaranteed," the company told CNET by email. > It'll come in a set of two for $60, Nintendo announced during its Nintendo Direct broadcast -- but only for Nintendo Switch Online subscribers, which makes a certain degree of sense considering that the online service is the way to access NES games on Switch.