Yes, its possible:
You have to use GLSL, make your horror scene, dont use any lights (for the scene). After, you may parent a Spot to your camera (Ctrl+P make parent, keep transform), and set the color of the spot to a green tint, decrase the energy for a better effect. There is many parameters for the spot, you just have to try ;)
You can do that using post production,I dont know how to program that but I can tell you how to make it using the compositor and you program it or some one edit that answer and give you the script. here I have this image from "outlast" with normal vision.
After applying a node tree like this: