A player is allowed to create a room or join a room. The "DJ" (the player who creates the room) is given power to choose the settings for the room: song, "chance," and game mode. The song's BPM (beats per minute) usually will determine the song's difficulty and speed (with certain exceptions e.g. beat up mode). While the "DJ" has the power to kick people out of the room and close the dance floor off, this generally has no benefit. After all, the most appealing part of the game is its social aspect: playing alongside others whether for fun or competition.