Does what the title says, not fake. And to be honest, you'd have to be pretty stupid to think it's possible with "realistic" settings..
A Video that shows you how to destroy 127 mechs in just 5 minutes! That means a kill every 2.4 seconds. Yeah, it's no-heat and low-level bots, but it's still no easy feat. If you think you can do better, feel free to try it yourself. Competition is welcome ;)