Galaga Arrangement: Display game time:
Press Left, Right, Left, Right, Up, Down, Up, Down at the Galaga Arrangement title screen.

Pac-Man: Pac-Attack game:
Select Pac-Man at the games screen. Get over 25,000 points during game play to unlock Pac-Attack at the games screen.

Ms. Pac-Man: Pac-Mania game:
Select Ms. Pac-Man at the games screen. Get over 20,000 points during game play to unlock Pac-Mania at the games screen.