Blood Moon Calculator

Forecast your next blood moon day, projected game stage, expected zombie count, and threat level. Plan weeks ahead.

Blood Moon Forecast

Frequently Asked Questions

The calculator rounds up to the next multiple of your horde frequency setting. With 7-day frequency on Day 3, your next horde is Day 7.

We estimate +1.5 game stage per day. Your actual growth depends on player level gains and kill rates.

Specific days unlock new zombie types: Cops appear around Day 14, Wights around Day 21, and Demolishers around Day 35. Each one changes how you should prepare.