The Tetris® 99 35th MAXIMUS CUP – Aionios Edition event runs from 12 a.m. PT on September 29 to 11:59 p.m. PT on October 2. To participate, you’ll need to be a Nintendo Switch Online member* and play the Tetris 99 online mode during the event period. You’ll earn event points based on your placement in each match. Once you’ve accumulated a total of 100 event points, a new theme will unlock, featuring art, music and Tetrimino designs!