Galaxian Turbo (c) 19??.

>>> TECHNICAL DETAILS
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Main CPU : Z80 (@ 3.072 Mhz)
Sound Chips : Tone generator and discrete circuits
Screen orientation : Vertical
Video resolution : 224 x 256 pixels
Screen refresh : 60.61 Hz
Palette colors : 98
Players : 2
Control : 2-way joystick
Buttons : 1

>>> TRIVIA
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This hack is much faster and the aliens move in a different pattern.
Original releases :
Namco's Galaxian (October 1979)
Licensed releases :
Midway's Galaxian [Upright model] (December 1979)
Midway's Galaxian [Cocktail Table model] (December 1979)
Nichibutsu's Moon Alien [Upright model]
Nichibutsu's Moon Alien [Cocktail Table model]
Unofficial releases :
CGI's Galaxian Part 4
Galaxian Part X
Galaxian Turbo
Space Invaders Galactica
Zaccaria's Super Galaxians
Subelectro's Swarm
PETACO's Zero Time
- SCORING -
Light Blue Ship in formation : 30 points
Light Blue Ship attacking : 60 points
Purple Ship in formation : 40 points
Purple Ship attacking : 80 points
Red Ship in formation : 50 points
Red Ship attacking : 100 points
Flagship in formation : 60 points
Flagship attacking with no escorts : 150 points
Flagship attacking with 1 escort : 200 points
Flagship attacking with 2 or more escorts, flagship killed before TWO escorts : 300 points
Flagship attacking with 2 or more escorts, flagship killed AFTER at least two escorts : 800 points

>>> OTHER GAME RESOURCES
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Game's rom.