More zombies have been killed in the campaign Dead Air than the entire population of Texas, population 24,326,974.
That is almost more than the entire population of California, population 36,756,666!

c11m1_greenhouse

Difficulty	Playtime	Points (PPM)	Kills	Restarts
Normal	3.36 months	7,036,812 (51.99)	3,274,280	1,104
Advanced	2.46 weeks	3,908,155 (157.58)	431,224	419
Expert	1.50 hours	18,765 (208.50)	1,063	0
Total	3.97 months	10,963,732 (68.42)	3,706,567	1,523

c11m2_offices

Difficulty	Playtime	Points (PPM)	Kills	Restarts
Normal	7.69 months	11,617,203 (37.47)	7,170,919	5,117
Advanced	1.84 months	7,304,814 (98.27)	1,075,514	1,767
Expert	3.83 hours	8,790 (38.22)	2,593	13
Total	9.54 months	18,930,807 (49.22)	8,249,026	6,897

c11m3_garage

Difficulty	Playtime	Points (PPM)	Kills	Restarts
Normal	8.00 months	11,004,691 (34.12)	6,466,940	4,436
Advanced	2.78 months	11,237,686 (100.40)	1,501,987	1,208
Expert	4.38 hours	12,176 (46.30)	3,101	21
Total	10.78 months	22,254,553 (51.19)	7,972,028	5,665

c11m4_terminal

Difficulty	Playtime	Points (PPM)	Kills	Restarts
Normal	5.55 months	9,794,671 (43.78)	6,684,132	3,299
Advanced	1.83 months	9,294,337 (125.91)	1,476,677	466
Expert	7.03 hours	18,644 (44.18)	6,798	50
Total	7.39 months	19,107,652 (64.13)	8,167,607	3,815

c11m5_runway

Difficulty	Playtime	Points (PPM)	Kills	Restarts
Normal	7.61 months	7,131,701 (23.24)	2,596,565	3,899
Advanced	2.54 months	9,053,791 (88.41)	613,668	984
Expert	2.85 hours	6,384 (37.33)	1,398	6
Total	10.16 months	16,191,876 (39.54)	3,211,631	4,889

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