The original PlayStation
Main article: PlayStation (console)
The original PlayStation released in December 1994 was the first of the ubiquitous PlayStation series ofconsole and hand-held game devices. It has included successor consoles and upgrades including the Net Yaroze (a special black PlayStation with tools and instructions to program PlayStation games andapplications), "PSone" (a smaller version of the original) and the PocketStation (a handheld which enhances PlayStation games and also acts as a memory card). It was part of the fifth generation of videogame consoles competing against the Sega Saturn and the Nintendo 64. By March 31, 2005, the PlayStation and PSone had shipped a combined total of 102.49 million units, becoming the first videogame console to reach the 100 million mark.
Main article: PS One
Released in July 2000, concurrently with its successor the PlayStation 2, the PS one was a considerably smaller, redesignedversion of the original PlayStation video game console. Originally launched on July 7, 2000, it went on to outsell all-other consoles including its successor, PlayStation 2, throughout the remainder ofthe year. It featured two main changes from its predecessor, the first being a cosmetic change to the console and the second being home menu's Graphical User Interface.
 PlayStation 2[pic]
The original PlayStation 2
Main article: PlayStation 2
Released in 2000, 15 months after the Dreamcast and a year before its other competitors, the Xbox and the Nintendo GameCube, thePlayStation 2 is part of the sixth generation of video game consoles, and is backwards-compatible with most original PlayStation games. It has also been released as a media center configuration andalso having, like its predecessor, a slimmer redesign. It is the most successful console in the world, having reached over 140 million units in sales as of July 20, 2008. On November 29, 2005,...