Top 100 Most Controversial Bridge Constructor Portal Videos by COG in the GameTop 100 » 200 » 300 » 400 » 500Video TitleRatingCategoryGame1.Bridge Constructor: PORTAL - All Levels Walkthrough All Convoys2WalkthroughBridge Constructor Portal 2.Portal Proficiency - All Levels Walkthrough All Convoys (Bridge Constructor: PORTAL DLC)5WalkthroughBridge Constructor Portal Top 100 » 200 » 300 » 400 » 500