You’ve probably never heard of Devil Daggers — the indie first-person shooter was quietly released on Steam last week. It’s about as simple a shooter as you can get: all players have to do is survive an endless onslaught of low-res demons, and one hit sends you back to the title screen. That being said, simple doesn’t necessarily mean easy — most players will probably die within the first 30 seconds or so. The developers over at Sorath know how insanely difficult their game is, too — Devil Daggers only features one Achievement, and the only way to unlock it is to last for more than 500 seconds. It doesn’t sound like much, but if you’ve seen the game in action, you’ll know just how ridiculous Devil Daggers can get … and that’s probably why onl...