Half Life in 45 Minutes

[UltimaApocalypse]

I don't know if this has been posted before but:

http://video.google.com/videoplay?docid=164552782388117758&q=half+life

If you actually watch the entire thing(like me) you can see this guys a pro on using Half Life glitches like "pushing scientists to the doors to open them"

 

[Danimal]

Use the damn sticky!