Secret Options
This secret menu is available in any of the games in Williams
Arcade's Greatest Hits. Just pick a game and enter it. Once in the
game, hold down L1 and L2 buttons and press Select and Start
simultaneously. First, a game status screen will come up. Press X
to skip to the options screen, where you can adjust the difficulty,
number of lives, and other settings of the game. Once you're
finished, hit Start to return to gameplay.
Mortal Kombat Sound Test
Turn on the PlayStation without a CD inside and access the CD
player from the menu. Now insert the game CD and 2 tracks will be
indicated on the screen. Choose to play track 2 and you will hear
over 5 minutes of Mortal Kombat 3 sounds.