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Zombie Genocidest

Kill 53,595 Infected.

Zombie Genocidest0
15 guidesOnline/OfflineSingle PlayerCooperativeVersusCumulative +Time Consuming
Brenin WatsonBrenin Watson606,230
22 Jun 2010 07 Jan 2011
33 4 0
Chapters by kills-

No Mercy- 550+
Death Toll- 650+
Dead Air- 800+
Blood Harvest- 500+
Crash Course- 250+
The Sacrifice- 300+ (I just noticed it said "The Passing" Sorry about that.)

[EDIT:] This is based off of three playthroughs for each map and I rounded them together.

Dead Air is the best choice for kills because it has more moments that cause more zombies, such as metal detectors and stuff.