Top 100 Let's Play Channels for Portal: The Flash Version from United States with the Longest Total Duration

This list represents the top 100 YouTube let's play channels rankings from United States for Portal: The Flash Version based on the longest total video duration across all videos on their channel. This only includes channels that have created let's play videos. Numbers are retrieved via the YouTube API and updated daily. Channels are also listed with their latest let's play for Portal: The Flash Version uploaded to YouTube.