It actually literally does more than Tetris 99: the record for most players playing together in one room currently sits at 670 players[1]
I mean, I just played a game with 100 others, and other people getting lines added lines to my board, last man standing.
Sounds pretty Tetris 99.
the focus is primarily on 1v1 (tetra league); quickplay is a way to get introduced to the game maybe but it's not the main attraction
hi xynix i am your no 2 fan can you make me a stream overlay with pictures of sec and everywhere
Yup it has that mode, which to be fair existed in Tetris clones long before Tetris 99. I just meant that it had many more modes and I don't really thing that's the focus of Tetr.io? I could be wrong though I'm not a player.
It's not the only Tetris game with big lobbies. An earlier popular one is https://jstris.jezevec10.com/