Build and Kill Zombies Tools & Calculators
Player tools for Build and Kill Zombies: estimate your cash, plan upgrades, and check the references that keep plans honest.
Cash & Upgrade Planner
Enter your waves, kills, and cash-per-kill estimate to see earnings and your next purchase priority.
RankingsTier list
Role-first weapons and defenses rankings to aim your cash at the strongest role.
ReferenceCash system reference
What is confirmed about the cash economy before you trust any estimate.