DDRMAX: Dance Dance Revolution 7th Mix Cheats on PlayStation 2
The 3rd secret that you unlock is the option to have a dancer in the background. This is modified in the options menu, and can be turned off or set to a new person, including DDR originals like Disco and Akira, plus the artists like Naoki and U1. The dancer will just dance accordingly to the song you are playing, but doesn't work with Music Videos.
Silent Hill: 3rd Christmas Mix is the 5th secret you unlock. WARNING: This is A LOT harder than the regular Silent Hill, for it is faster and MUCH more complex. I sugest you master the original in Heavy mode, with 2 pads if possible, then start training with the 3rd Christmas. It's THAT hard.
As the manual says, unlocks are made by earning "points" in-game. So far I only know you get 1 point per player per song. Also one point per player for accessing the Extra Stage (AA or better on your last song on Heavy Mode with Event Mode turned off). First, go into option mode, and set the play level to "easiest", the number of songs to 5, and (if you have no confidence in your game), the "song failure"-type option to "end of music". Now you're ready. Play the game, and set up to versus play. Make sure yo