In the Twitter post, Nintendo mentioned "Kirby activities," and people can also visit the official Kirby website to download a free wallpaper. There is at least one Kirby game coming out this year in time for the 30th anniversary. Kirby and the Forgotten Land, Kirby's first true 3D adventure game, will be out on March 25th this year. The release date for Kirby and the Forgotten Land was also announced shortly after the 30th anniversary announcement.
Kirby and the Forgotten Land launches on March 25, 2022 for the Nintendo Switch.