Top 100 Portal 2 Videos With The Most Comments by Lowbrow GamingTop 100 » 200 » 300 » 400 » 500Video TitleCommentsCategoryGame1.PORTAL 2 Speedrun [Single Player - Inbounds] in 1:29:083Portal 2 2.PORTAL 2 Speedrun [Single Player Inbounds] in 1:23:591Portal 2 3.PORTAL 2 Speedrun [Single Player Inbounds] in 1:18:101Portal 2 4.PORTAL 2 Speedrun [Single Player - Inbounds] in 1:30:451Portal 2 5.PORTAL 2 Speedrun [Single Player - Inbounds] in 1:26:170Portal 2 6.PORTAL 2 Speedrun [Single Player - Inbounds] in 1:44:210Portal 2 7.PORTAL 2 First Speedrun [Single Player - Inbounds] in 1:50:350Portal 2 8.PORTAL 2 Speedrun [Single Player Inbounds] in 1:21:570Portal 2 9.PORTAL 2 SPEEDRUN [Single Player - Inbounds] in 1:32:320Portal 2 10.PORTAL 2 Speedrun [Single Player - Inbounds] in 1:44:21 (again)0Portal 2 Top 100 » 200 » 300 » 400 » 500