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 Jan 27th 2015 8:15AM
Posted on Jan 26th 2015 11:00AM
Posted on Jan 26th 2015 10:00AM