Mayday!! (c) 1981 Hoei.

>>> TECHNICAL DETAILS
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Main CPU : M6809 (@ 1 Mhz)
Sound CPU : M6808 (@ 894.75 Khz)
Sound Chips : DAC
Screen orientation : Horizontal
Video resolution : 294 x 239 pixels
Screen refresh : 60.00 Hz
Palette colors : 16
Players : 2
Control : 8-way joystick
Buttons : 3

>>> TRIVIA
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Williams considered this game to be an 'infringement' on their copyright of Defender which led to the halting of Mayday!!'s production.
Default highscore table :
1 MIT 20000
2 NOB 15000
3 NUN 10000
4 HON 7000
5 IKU 5000
Dwayne Richard holds the official record for this game with 6,235,300 points.

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