Tullock: 11 Cooperation Rate Heatmap Left: no noise | Right: 5% noise Tullock: 11 Opponent Cooperation Rate Heatmap Left: no noise | Right: 5% noise Tullock: 11 Mean Score Heatmap Left: no noise | Right: 5% noise Tullock: 11 Mean Score Difference Heatmap Left: no noise | Right: 5% noise