Tit For Tat Cooperation Rate Heatmap Left: no noise | Right: 5% noise Tit For Tat Opponent Cooperation Rate Heatmap Left: no noise | Right: 5% noise Tit For Tat Mean Score Heatmap Left: no noise | Right: 5% noise Tit For Tat Mean Score Difference Heatmap Left: no noise | Right: 5% noise