ZD-Extort-2 v2: 0.125, 0.5, 1 Cooperation Rate Heatmap Left: no noise | Right: 5% noise ZD-Extort-2 v2: 0.125, 0.5, 1 Opponent Cooperation Rate Heatmap Left: no noise | Right: 5% noise ZD-Extort-2 v2: 0.125, 0.5, 1 Mean Score Heatmap Left: no noise | Right: 5% noise ZD-Extort-2 v2: 0.125, 0.5, 1 Mean Score Difference Heatmap Left: no noise | Right: 5% noise