https://www.youtube.com/watch?v=6-YxOpZ7mDo
For anyone in doubt of the Saturn's capabilities when programmed for properly. It is said this was done with the aid of the 4 meg ram expansion cart and was nearly completed when it was cancelled due to the early demise of the Saturn.
Yu Suziki has always been capable of doing amazing things with Sega's console's. The resolution of Virtua Fighter for the Saturn for example which leveraged the second SH2 processor for some duty and Ferrari 355 Challenge for the Dreamcast