MarphitimusBlackimus/Marphy Black/Revenant100's YouTube channel has a playlist, with currently 24 videos and 2.5 hours, showing "Half-Life Fact Files -- Do you want to learn more about Half-Life? To see the obscure? To witness the oddities? Then, you've come to the right playlist!
This GamerSpawn small YouTube playlist "takes you on a trip through the history of some of the world's best game series."
This hilarious two minutes and 25 seconds YouTube video shows "How To Get Through the Loading Screen
This 2.5 minutes YouTube video shows a parody/spoof of a love/romance break up titled "Co-Op Breakup -- Breaking up is hard to do. Like Legendary hard."