Ms. Pac-Man/Galaga - Class of 1981 (c) 2004 Namco.

>>> TECHNICAL DETAILS
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Main CPU : Z180 (@ 32 Mhz)
Sound Chips : Namco (@ 96 Khz), DAC
Screen orientation : Vertical
Palette colors : 4096
Video resolution : 224 x 288 pixels
Screen refresh : 60 Hz
Players : 2
Control : 4-way joystick
Buttons : 1 (FIRE) - used in Galaga only

>>> TRIVIA
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The full name on the marquee is 'Namco 20 Year Reunion : Ms. Pac-Man/Galaga - Class of 1981'.
'Speedy' Ms. Pac-Man, and 'Rapid Fire' Galaga are also operator selectable.

>>> GAME UPDATES
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V1.01
V1.04

>>> TRICKS AND TIPS
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Play 'Pac-Man' : At the game select screen press Up(x3), Down(x3), Left, Right, Left, Right, Left, Start.
* To toggle the built-in speedup, insert coins then enter the following sequence : Left, Right, Left, Right, Up(x3), Fire. A sound will play if you did it correctly. This will toggle the speed in both Ms Pac-Man & Pac-Man as well as provide a 'Fast Shot' in Galaga.
Play 'Galaga' for free : During the Galaga demonstration, wait until the Galaga Commander uses the tractor beam. Before it sucks up the ship, press fire and kill it. You now have total control and can play the sample level. However, finish quick or an error screen will come up. The game will function normally though.

>>> OTHER GAME RESOURCES
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Machine's picture.
Game's rom.