So what’s this, then? RPS readers: ASSEMBLE! We must solve and reveal. A video, below, featuring some remarkably impressive special effects, seeming to be part of the Half-Life universe. Not only does it feature some really neatly woven background mattes on regular film, but there’s a sense of scale that seems like it should be beyond a couple of guys mucking around on their weekends. Who has the capacity to take over a street, leaving cars strewn all over? And buses. Make sure to watch it in HQ.