Teleglitch is a rouge-like top-down shooter, with science fiction and horror parts mangled into it. It gives crippling punishment for doing stupid, dumb mistakes, the game is permadeath and you can restart at level three when you beat level five. The game is very minimalistic in graphics.
I find the best way to play is to enable the zoom that changes the zoom level of the camera, it is very disorienting and strange, which enhances the gameplay.
Video OneDiscuss Teleglitch, the cangun, and other indie games like Teleglitch it.
Sorry I couldn't make a super huge post.