The Completely Utterly Needlessly Long Marko Marathon

This might've taken a bit too long to make.

Time stamps:
0:00 - Intro
0:52 - Left4Dead
16:00 - Intermission
18:08 - Rainbow 6 Siege

Intro voiced by my dear friend ExplodedGrub.

Intermission videos:
Ad #1
Ad #2
Ad #3 - Gas gas gas. - https://www.youtube.com/watch?v=YnFevYLbNTo

(Might take me a while to update the description, I'm lazy)

CompletelyUtterlyNeedlessly