Breaking Half-Life 2 to Play it in Reverse (the Real Longest Possible Backtrack)
30:50
How I beat Half-Life with no mouse movement
50:42
50 Glitches and Facts about Half-Life 2 you have a low chance of having prior knowledge of
33:46
Exploring Half-Life 1's Longest Possible Backtracks
45:43
75 Half-Life Facts you most definitely had a low chance of knowing
5:45
What happens if you put Half-Life 2 maps into Source SDK Base 2013?
28:06
HL2 in 27:58! (Dwahmov Condensed)
44:54
I played Half-Life 2 without a mouse and it got strange (no other control method allowed)
39:31