The PlayStation 2 (PS2) is a  that was developed by . It is the successor to the  and is the second iteration in the  lineup of consoles. It was released in 2000. Announced in 1999, the PlayStation 2 offered  for its predecessor’s controller, as well as for its games. The PlayStation 2 is the  of all time, selling over 155 million units, with 150 million confirmed by Sony in 2011.