The PlayStation 2 ("PS2") is a
sixth-generation video game console manufactured by Sony.
The successor to the PlayStation, and the predecessor to the
PlayStation 3, the PlayStation 2 forms part of the
PlayStation series of video game consoles. Its development
was announced in March 1999 and it was released a year later
in Japan. The PS2 is the best-selling console to date,
having reached over 136 million units sell-in as of the end
of December 2008 and a software library projected to exceed
1,900 games in 2009.