3:06
Portal - Test Chamber 1 w/ commentary
zyon1989
1:16
Portal - Test Chamber 2 w/ commentary
0:37
Portal - Test Chamber 3 w/ commentary
0:46
Portal - Test Chamber 4 w/ commentary
0:53
Portal - Test Chamber 5 w/ commentary
0:48
Portal - Test Chamber 6 w/ commentary
0:54
Portal - Test Chamber 7 w/ commentary
1:34
Portal - Test Chamber 8 w/ commentary
0:57
Portal - Test Chamber 9 w/ commentary
1:08
Portal - Test Chamber 10 w/ commentary
2:20
Portal - Test Chamber 11 w/ commentary
1:36
Portal - Test Chamber 12 w/ commentary
1:13
Portal - Test Chamber 13 w/ commentary
2:00
Portal - Test Chamber 14 w/ commentary
4:04
Portal - Test Chamber 15 w/ commentary
3:24
Portal - Test Chamber 16 w/ commentary
6:04
Portal - Test Chamber 17 w/ commentary
6:52
Portal - Test Chamber 18 w/ commentary
2:10
Portal - Test Chamber 19 w/ commentary
9:20
Portal - Escape [1/3] w/ commentary
9:21
Portal - Escape [2/3] w/ commentary
5:52
Portal - Final fight w/ commentary
