Top 100 Portal Videos With The Most Comments by Ivan the TerribleTop 100 » 200 » 300 » 400 » 500Video TitleCommentsCategoryGame1.My Heart Will Go On (Companion Cube tribute)6Portal 2.Portal Test Chamber 03,04 and 055Portal 3.Portal Ending and Credits3Portal 4.Portal Test Chamber 17 (With Companion Cube!)3Portal 5.Portal Test Chamber 00,01 and 022Portal 6.Portal Test Chamber 14,15 and 162Portal 7.Trailer: Portal Walkthrough2WalkthroughPortal 8.Portal GLaDOS Boss fight1Portal 9.Portal Escape Part 11Portal 10.Portal Test Chamber 18 and 191Portal 11.Portal Test Chamber 06,07,08 and 090Portal 12.Portal Test Chamber 10,11,12 and 130Portal 13.Portal Escape Part 20Portal Top 100 » 200 » 300 » 400 » 500