Tip: Take advantage of easy to install Patches in your hack. The No More Sprite Tile Limits or SA-1 patches should be considered if you're encountering glitches where Mario and/or sprites are turning invisible.
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Details for Sonic CD (JP/EU) - Quartz Quadrant Zone (Bad Future)
SMW Music - Sonic CD (JP/EU) - Quartz Quadrant Zone (Bad Future)