More zombies have been killed in the campaign No Mercy than the entire population of California, population 36,756,666.
That is almost more than the entire population of Northeast (US), population 54,924,779!

c8m1_apartment

Difficulty	Время Игры	Points (PPM)	Kills	Restarts
Normal	3.56 месяцев	7,608,340 (53.04)	3,613,639	1,258
Advanced	2.75 недель	4,277,511 (154.39)	483,759	592
Expert	2.95 часов	6,463 (36.51)	1,498	7
Total	4.25 месяцев	11,892,314 (69.42)	4,098,896	1,857

c8m2_subway

Difficulty	Время Игры	Points (PPM)	Kills	Restarts
Normal	9.59 месяцев	16,770,414 (43.38)	9,799,907	8,837
Advanced	2.60 месяцев	11,025,867 (105.26)	1,612,207	2,462
Expert	10.48 часов	17,966 (28.56)	5,506	46
Total	1.02 лет	27,814,247 (56.54)	11,417,620	11,345

c8m3_sewers

Difficulty	Время Игры	Points (PPM)	Kills	Restarts
Normal	9.30 месяцев	14,466,936 (38.58)	8,136,200	4,855
Advanced	3.28 месяцев	14,067,524 (106.49)	1,873,985	1,570
Expert	3.83 часов	7,602 (33.05)	2,592	22
Total	1.05 лет	28,542,062 (56.27)	10,012,777	6,447

c8m4_interior

Difficulty	Время Игры	Points (PPM)	Kills	Restarts
Normal	9.05 месяцев	12,394,454 (33.96)	6,945,716	3,347
Advanced	2.84 месяцев	12,598,601 (110.09)	1,550,922	835
Expert	2.65 часов	5,569 (35.03)	2,071	11
Total	11.89 месяцев	24,998,624 (52.13)	8,498,709	4,193

c8m5_rooftop

Difficulty	Время Игры	Points (PPM)	Kills	Restarts
Normal	10.75 месяцев	11,320,553 (26.11)	4,133,591	3,704
Advanced	3.72 месяцев	14,604,517 (97.47)	1,094,845	1,885
Expert	3.48 часов	5,263 (25.18)	1,708	18
Total	1.21 лет	25,930,333 (44.43)	5,230,144	5,607

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