I bought a copy of Aviator by Curt Priem and Bruce Factor, that ran on my SS2 pizzabox's GX "LEGO: Low End Graphics Option" SBus card (an 8 bit color + 2 bits monochrome overlay plane graphics accelerator):
>Bruce Factor and Curtis Priem developed a flight simulator called Aviator for Sun's S-Bus GX graphics accelerator. I had one of them on my SS2, and owned a copy of Aviator on CDROM, and loved to play it. [...]