Tetris 99 will have a crossover with Kirby and the Forgotten Land

Nintendo has announced a crossover between Tetris 99 and the recently released Kirby and the Forgotten Land.
From April 22 10:00 a.m.
MSC to April 26 9:59 a.m.
MSC, players can earn points in a special event, and after reaching a hundred, unlock art, music and other themed content related to Kirby's latest adventure.You can also get a ticket until April 30 to access content based on Kirby Fighters 2 and Super Kirby Clash.No special requirements to participate, except the game itself, a Nintendo Switch Online subscription and, in fact, access to the Internet.
It is noted that the event will not take place in all countries, but there is no exact list.