Claim: Portal 2 was released for a console.
Evidence: It is the sequel to Portal -LRB- 2007 -RRB- and was released on April 19 , 2011 , for Microsoft Windows , OS X , Linux , PlayStation 3 , and Xbox 360.
The Xbox 360 is a home video game console developed by Microsoft.
The PlayStation 3 -LRB- PS3 -RRB- is a home video game console developed by Sony Interactive Entertainment.