UPDATE: This mode somehow doesn't exist anymore in Tetris, so you can no longer be attacked by any more than 0 people at once. Imagine being attacked by 4 people at once in N3twork Tetris Royale. I still won somehow, by the way, but I used a lot of boosters. In Tetris 99, if you are being attacked by multiple people, the garbage lines you send is multiplied so that you aren't overwhelmed, and you can choose to attack all of your attackers at once. However, this isn't true in N3twork Tetris Royale, so if you are being attacked by multiple people, you just have to pray.