Supersystem is a number of very different things, yes to different people:

• Supersystem is a classic poker book, the original poker guide and the bible of poker play written in 1979 by Doyle Brunson – see the book BELOW
• Supersystem was a band from Washington DC offering a varied mix of music from rock, punk, pop and dance, releasing 4 albums after changing name from El Guapo
• Super System is a Nintendo arcade system used to preview Super NES games in the US, carrying a number of classic games including Super Mario World
• Supersytem ia an 1998 album by NZ band the Feelers that sold over four times platinum in the NZ charts, and included singles ‘Supersystem’ and ‘Pressure Man’.