Multiplayer
Standard mode and Push mode are capable of online and DS-to-DS wireless play. Push mode is available for two players in multiplayer matches whereas Standard mode is available for two players (without items) or four players (with items).
In addition, Mission mode is only capable of DS-to-DS wireless play, but Standard mode is available for up to ten players, using only one Tetris DS playing card.
Read more about this topic: Tetris DS