Customers who have bought Nintendo Switch games from third-party retailers have reported that some cartridges have been replaced by googly eyes. The trend, which was first reported around six months ago, has baffled customers, as many of the googly eyes were found in sealed packaging.

Nintendo announced last month that it would be updating a handful of Switch games to run better on the Switch 2, and now some details about the planned improvements are available on its website. The improvements vary per game,

The company shared the news on its website on Friday and outlined 11 existing Switch games that will all see significant enhancements or new features when the Switch 2 launches on June 5. The improvements range from higher resolutions and framerates,