Ultra Balloon (c) 1996 SunA.
A 'Bubble Bobble' clone.

>>> TECHNICAL DETAILS
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Main CPU : 68000 (@ 8 Mhz)
Sound CPU : Z80 (@ 3.579545 Mhz), Z80 (@ 5 Mhz)
Sound Chips : YM2151 (@ 3.579545 Mhz), (2x) DAC (@ 3.579545 Mhz)
Screen orientation : Horizontal
Video resolution : 256 x 224 pixels
Screen refresh : 60.00 Hz
Palette colors : 512
Players : 2
Control : 8-way joystick
Buttons : 2

>>> TRIVIA
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Most if not all of the background graphics from worlds two and three, maybe in worlds five and six also, were ripped from the Sega Saturn game 'Clockwork Knight'.

>>> OTHER GAME RESOURCES
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Game's rom.