Portal 2 is an Xbox One game that was released on April 21, 2015. It is a first-person puzzle-platform video game developed and published by Valve Corporation. The sequel to Portal (2007), Portal 2 is the first game to use …
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Portal 2 is an Xbox One game that was released on April 21, 2015. It is a first-person puzzle-platform video game developed and published by Valve Corporation. The sequel to Portal (2007), Portal 2 is the first game to use …