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Proto:Sonic the Hedgehog Spinball (Genesis)

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This page details one or more prototype versions of Sonic the Hedgehog Spinball (Genesis).


August 1993 Prototype
Found on a Chinese website. Despite being late in development, it is horrendously buggy.

Other Builds

September 17th and October 19th, 1993 Builds

Download.png Download Sonic Spinball (Genesis, Sept 17, 1993 Proto)
File: Sonic Spinball (Sept 17, 1993 Prototype).bin (1.00 MB) (info)

Two late PAL builds. They're identical.

  • The introduction still lacks many sound effects.
  • The jingle for opening the sewer lids in Toxic Caves is shortened in this version.
  • Robotnik's ship during the destruction animation debris switches to the wrong palette partway through. This happens in the final as well, but is more noticeable here.