Thunder Blaster (c) 1991 Irem.

>>> TECHNICAL DETAILS
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Irem M-92 system hardware
Main CPU : V33 (@ 9 Mhz)
Sound CPU : V30 (@ 7.15909 Mhz)
Sound Chips : YM2151 (@ 3.579545 Mhz), GA20 (@ 3.579545 Mhz)
Screen orientation : Vertical
Video resolution : 240 x 320 pixels
Screen refresh : 60.00 Hz
Palette colors : 2048
Players : 2
Control : 8-way joystick
Buttons : 2

>>> TRIVIA
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This game is known outside Japan as 'Lethal Thunder'.

>>> TRICKS AND TIPS
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* Endings : The game has 4 endings depending on your performance...
Ending 1 - Defeat all the bosses.
Ending 2 - Let 2 bosses escape and defeat the others.
Ending 3 - Let 3 bosses escape and defeat the others.
Ending 4 - Let all the bosses escape, including the last boss.

>>> OTHER GAME RESOURCES
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Game's rom.