If my actions in videogames count, I might be one of the worst criminals to ever exist. I've shot enemies while they're down, caught civilians in my crossfire, and reduced whole towns to rubble. All thoroughly ungentlemanly conduct, and it turns out the International Red Cross is sick of it.
Spotted by Kotaku, the world-renowned humanitarian organisation has drawn up a set of rules for us to follow in online FPSes, and is "challenging you to play FPS by the real Rules of War, to show everyone that even wars have rules". There are four rules in total, which are:
