When it hits
Day 34 on the Warehouse Manager's run
Warned on day 33 by 
Horde Incoming · Omen, 1 day ahead.
Starts with Zombie Horde Strikes, ends with 
Zombie Horde Retreats.
The same on every run: Wage Slave, Student
What comes
2 waves, 42 zombies in all.
| Wave | When | Zombies | Which | Total HP (Standard) |
|---|---|---|---|---|
| Wave 1 | Day 34 | 21 | Office Worker Zombie×8Neighbor Zombie×4Barefoot Zombie×3Worker Zombie×2Crawler Zombie×2Nurse Zombie×2 | 4,560 |
| Wave 2 | Day 35 | 21 | Office Worker Zombie×5Neighbor Zombie×4Worker Zombie×3Nurse Zombie×3Barefoot Zombie×3Crawler Zombie×2Hulk Zombie×1 | 5,337 |
From the game files5
Crisis 151
| id | 151 |
|---|---|
| CrisisID | 151 |
| StartEvent | [62649] |
| EndEvent | [62650] |
| ForecastEvent | [61333] |
| Des | Crisis_Des_131 |
| Des_Local | 尸潮 |
| CrisisShowType | 1 |
| CrisisShowPara | [8,9] |
| CrisisFmod | ["event:/Model/Zombie/zombie_zamen10","event:/Model/Zombie/zombie_zamen11","event:/Model/Zombie/zombie_zamen12","event:/Model/Zombie/zombie_zamen14","event:/Model/Zombie/weijizamen05"] |
| CrisisFmodTime | [11.9,8.1,12,10.2,11.2] |
| CrisisFmodGapMin | 1.5 |
| CrisisFmodGapMax | 4 |