Here is an idea, for people who are friendlies they will have some icon over their head so this way other friendly or neutral people (noobs who dont have play time) will know not to shoot them or be afraid. While on the other hand if your a bandit (a record of killing other survivors) you will no icon so if other people see you they know they should shoot you on sight or be shot. At the same time as a bandit you wont have the option of seeing that icon on people who are "friendly" as it makes them an easier target. This way there will be less hostility to survivors actually trying to survive and group up to kill the assholes... it will also give people another end goal in this game. This is just an idea and sure something better could be implemented for the singleplayer who doesnt have the time looking for a group before joining a server. For the system, anytime you shoot survivors you gain towards bandit and as a survivor the more time you play without shooting other survivors you gain the icon. Another idea is to make teams upon joining either friendly survivor or bandit survivor... friendlys are unable to kill other friendlys but can kill bandits, while bandits can kill both. As it is right now there is no designation to either everyone will just end up shooting each other because they dont trust anyone.