Ring Fit Adventure sells 5.84 million while Luigi's Mansion 3 sales are at 7.83 million.
"We haven’t decided yet whether or not we will keep doing so in the future," says series producer Kensuke Tanabe.
Players hit by the Spring of Rainbows bug can now progress.
The company is "aware of reports" and plans to address them in an update.
Nintendo's colourful new adventure has drawn praise from critics and audiences alike.
The two new releases have topped the Japanese sales charts.
The two new releases take the top 2 spots in the latest UK charts.
Check out the colorful world that Mario will explore.
A boss battle also headlines this near-35 minute gameplay video.
The title from WayForward is a franchise new to the developer.
You will not see that ending coming.
The upcoming Switch exclusive gets a brief new trailer.
The Japanese magazine liked what they played.
Get a longer look at the vibrant world of the upcoming RPG.
New Paper Mario outta nowhere.
Nintendo has apparently heard fans' demands.
The Italian plumber will reportedly see multiple Switch releases in the near future.
Too good to be true?