Table 3. Cooperative strategies: effects of variation in elimination rate on survival rate (for details of strategies see S2: IPD strategies employed).

Strategy	Without weapon use (p = 0.00)	With weapon use (varying elimination rates expressed by the value of p)
		0.05	0.10	0.15	0.20	0.25
AllC	24.26	47.72	49.49	58.39	51.90	54.46
TFT	44.56	48.46	45.71	49.69	42.22	43.95
GRIM	36.84	35.29	28.93	31.92	30.68	29.40
TFTT	41.44	51.05	47.05	49.76	53.73	49.41
Pavlov	28.75	32.96	35.96	35.37	35.43	36.65
GTFT	41.01	52.66	53.15	52.25	51.05	51.36
HTFT	33.76	35.61	32.30	28.68	27.92	28.24
SM	41.62	47.51	41.67	41.94	39.20	40.71
TTFT	36.62	36.54	35.94	32.96	33.70	37.95
CTFT	45.65	47.05	41.37	45.41	44.54	40.14
ATFT	42.72	45.72	41.25	44.49	41.18	41.35
SGRIM	38.96	49.53	52.51	48.47	51.35	49.82
FBF	40.84	44.74	48.12	48.59	47.62	42.26
Gradual	36.36	36.94	34.79	33.35	32.66	31.69