The Last Push - Day 1

Who comes, and where

40 zombies: 20 door · 20 window.

Every zombie in it has ×2.76 HP, bites ×10 as hard, bites ×1.3 as often, on top of the horde setting.

At the door 20

At the window 20

What beating it pays

A wave's total HP sets its reward tier. Each tier pays its reward, and the zombies you kill leave loot on the ground.

The game also adjusts each wave to how ready your home is (doors, defenses, supplies and how the last wave went), so the HP here is the starting point.