Check out the "80s" short film Kung Fury, which was crowd-funded through Kickstarter.
According to the official Kung Fury website, the movie is a homage and a love letter to the 80's from the director David Sandberg.
And it's pretty awesome! (warning: mature content)
Miami Police Department detective and martial artist Kung Fury time travels from the 1980s to World War II to kill Adolf Hitler, a.k.a. "Kung Führer", and revenge his friend's death at the hands of the Nazi leader. An error in the time machine sends him further back to the Viking Age.
The film was crowdfunded in the beginning of 2014 and released on the 28th of may 2015.