Wolfenstein 3D

    * Cheats (during game play, unless otherwise noted):
       * God Mode           = 4,6,6,8
       * Full Inventory     = 4,9,9,6
       * Next Level         = 4,7,8,6
       * Previous Level     = 4,6,9,6
       * Floor/mission menu = 1+3+7+9 (at main menu)
    * Eggs (during game play, unless otherwise noted):
       * Music Menu         = # (at "Ball" title screen)
       * Refresh Info       = 4,8,8,7