Yes, TIT-FOR-TAT is the winning strategy in iterated Prisoners' Dilemma. Basically, start off nice. If people are mean, punish them by getting mean. If they ar

Yes, TIT-FOR-TAT is the winning strategy in iterated Prisoners' Dilemma. Basically, start off nice. If people are mean, punish them by getting mean. If they are nice, treat them in kind.