Apparently these guys made a Half-Life 2 live-action short to test out post-production techniques, but they were so satisfied with what they made they decided to turn it into a multi-part short series. It's incomprehensible that they accomplished this short totally amateur (no funding) and the first two (!) videos were made on a budget of $500. It's very reminiscent of Neil Blomkamp's indy work.
Without further adieu: