Valve's Source Filmmaker is regularly used to parody Team Fortress 2. Here, instead, it's being used to accurately (and stylishly) portray an entirely different game. With the help of TF2's Heavy, and taking a mere 24 seconds, here is Skyrim in a nutshell.
The short was created by Ferhod, who previously made the Saxxy 2014 winning TF2 film Animation vs. Animator.