SPECIAL NOTE ABOUT THIRD INTERMISSION - ACT 3 (JUNIOR):
In 5200 and 7800 versions, this intermission appears after completing levels 9, 13, 17, 21, 25, 29, and so fouth.
In Original Arcade Platform, this intermission is showed after levels 9, 13, and 17 only.
ANOTHER NOTE - LEVELS 21, 22, AND SO FOURTH: The difficulty maxes out when Ms. Pac-Man loses a bit of speed, comparing with Level 20. After completing Level 20, pay special attention at the ghost movements.