Endless tier 28, day 5 big final wave

Day 140, 12:00, for 24 hours: 540 zombies at ×29 health and ×32 attack.

Part of EEndless tier 28, day 5 of 5.

When it ends: All-Purpose StrengthenerFine Sheet Metal×2Tempered GlassElectronic Components×2Scrap Metal×6Broken Glass×6Cold CutsMystery Novel (EEndless rewards, tiers 20-29)