Since Newell is one of the only people on Earth with access to Steam sales data, that 3 million number is likely to be one of the most accurate estimates of Portal 2's sales we'll ever see. For comparison, the first Portal had sold four million copies as of Portal 2's launch -- though that number doesn't take Steam into account.
Posted on Dec 12th 2013 5:00PM
Posted on Dec 12th 2013 11:30AM
Posted on Dec 11th 2013 5:00PM