Nintendo has just released a $9.99 DLC for Tetris 99. The DLC includes two new game modes. The first game mode is CPU battle. This is an offline mode for Tetris 99. You play against 98 other CPUs in an offline Tetris 99 match. The second game mode is Marathon. The goal for Marathon is to go for the most lines. This is more similar too regular Tetris. Nintendo has also confirmed that additional modes will be added in the future. Tetris 99 is available to download with a Nintendo Switch Online membership.