Launched in September 1995, the PlayStation was Sony’s first standalone game console. Long ago Nintendo approached Sony to develop a CD-ROM add-on for the Super NES, tentatively titled the "Play Station" or "SNES-CD". A contract was signed, and work began. At the 1991 Consumer Electronics Show, Sony announced their partnership with Nintendo. The next morning, Nintendo revealed that they were now allied with Philips instead.
Sony took their games and went home. They adapted the hardware they developed for Nintendo into a standalone console, and the rest is history. Ten years after its launch the PlayStation became the first console to sell 100 million units.