Samba de Amigo Ver. 2000 Random mode: Quickly shake Left Maraca Low fifteen times at the difficulty selection screen. Note: For the standard Dreamcast controller, hold the Down button. Super hard mode: Quickly shake Left Maraca High fifteen times at the difficulty selection screen. Note: For the standard Dreamcast controller, hold the Up button. Survival mode: Get a Maraca Star rank in challenge mode to unlock survival mode.