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Sonic Saturn was a project that was in development in 1995/1996 by Sega Technical Institute (STI), along with Sonic X-treme. This prototype was created by Peter Morawiec, the coder of the Sonic the Hedgehog 2 Special Stages, with an interesting 3D engine that was more “realistic” than the ones used in Sonic X-treme. It seems that Yuji Naka did not like this prototype, and so the Sonic Saturn Engine was never used to develop a full Sonic game. STI tried to use the engine to create some Bonus Stages to add in Sonic X-treme and the Saturn version of Sonic 3D Blast: Sonic Pool. Due to the lack of time, they abandoned them in favor of a 3D version of Sonic 2’s special stages for Sonic 3D Blast.

Sonic Pool

The title for the Sonic Pool bonus game

Sonic Pool is an unused bonus game, intended for Sonic Saturn, and then for Sonic 3D Blast on the Sega Saturn. There were also plans porting Sonic Pool into Sonic X-treme in its "Project Condor" era, but replacing the Sonic model used in it with X-treme's Sonic model.

Minimal information about it is known. In this bonus game, Sonic the Hedgehog was going to play a game of pool. Due to time constraints, this was abandoned in favor of a 3D version of Sonic the Hedgehog 2's special stages.


  • The checked-pattern floor would later be used in Sonic R.


Concept artwork



Sonic the Hedgehog scrapped video games
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