Beyond Black Mesa is a very impressive short film set in the world of the critically acclaimed Half-Life video game series. It took two years to make, and I’d say it looks way better than its $1,200 budget would indicate. Here’s a brief synopsis:
Inspired by the Half-Life Video Game series, this is an action packed short film centering around Adrian Shephard and a band of resistance fighters struggling to get out a warning about the impending invasion.
More info here.