Retaliate: 0.1 Cooperation Rate Heatmap Left: no noise | Right: 5% noise Retaliate: 0.1 Opponent Cooperation Rate Heatmap Left: no noise | Right: 5% noise Retaliate: 0.1 Mean Score Heatmap Left: no noise | Right: 5% noise Retaliate: 0.1 Mean Score Difference Heatmap Left: no noise | Right: 5% noise