When it hits
Day 75 at 12:00 on the Student's run
Part of 
Enhanced Zombie Horde, starts with 
Great Horde Arrives - Drawn by the Rig.
The same wave on the other runs: Wage Slave, Warehouse Manager
Who comes, and where
50 zombies: 25 door · 25 window.
Every zombie in it has ×3.96 HP, bites ×10 as hard, bites ×1.3 as often, on top of the horde setting.
At the door 25
| Zombie | How many | At once | HP each | Bite |
|---|---|---|---|---|
| Office Worker Zombie | 7 | 1 | 515 | 10 |
| Barefoot Zombie | 5 | 2 | 317 | 10 |
| Nurse Zombie | 4 | 1 | 436 | 10 |
| Crawler Zombie | 3 | 1 | 396 | 10 |
| Armored Crawler Zombie | 2 | 1 | 752 | 20 |
| Hulk Zombie | 1 | 1 | 1,980 | 80 |
| Brute Zombie | 1 | 1 | 1,030 | 30 |
| Soldier Zombie | 1 | 1 | 871 | 40 |
| Worker Zombie | 1 | 1 | 792 | 20 |
At the window 25
| Zombie | How many | At once | HP each | Bite |
|---|---|---|---|---|
| Office Worker Zombie | 7 | 1 | 515 | 10 |
| Nurse Zombie | 4 | 1 | 436 | 10 |
| Barefoot Zombie | 4 | 1 | 317 | 10 |
| Crawler Zombie | 3 | 1 | 396 | 10 |
| Armored Crawler Zombie | 2 | 1 | 752 | 20 |
| Hulk Zombie | 1 | 1 | 1,980 | 80 |
| Charger Zombie | 1 | 1 | 1,584 | 60 |
| Brute Zombie | 1 | 1 | 1,030 | 30 |
| Soldier Zombie | 1 | 1 | 871 | 40 |
| Worker Zombie | 1 | 1 | 792 | 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.
| Zombie Horde Intensity | Total HP | Reward |
|---|---|---|
| Weak | 22,426 | Tier 4 |
| Standarddefault | 29,871 | Tier 4 |
| Strong | 37,342 | Tier 5 |
| Very Strong | 44,814 | Tier 5 |
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.
From the game files2
TowerWave 2037
| ID | 2037 |
|---|---|
| EventID | 52605 |
| OwnerCrisisID | 123 |
| ZombieTypeList | [9108,9110,9105,9104,9102,9109,9103,9106,9107] |
| ZombieCountList | [1,2,1,1,1,3,7,4,5] |
| MaxAliveCount | [1,1,1,1,1,1,1,1,2] |
| ChargeThreshold | 0.2 |
| TargetSlotTypes | [8] |
| AttackMultiplier | 10 |
| HpMultiplier | 3.96 |
| AttackSpeedMultiplier | 1.3 |
| SpawnAnchor | ZombieSpawn_01 |
| SpawnInterval | 2 |
TowerWave 2038
| ID | 2038 |
|---|---|
| EventID | 52605 |
| OwnerCrisisID | 123 |
| ZombieTypeList | [9108,9111,9110,9105,9104,9102,9109,9103,9106,9107] |
| ZombieCountList | [1,1,2,1,1,1,3,7,4,4] |
| MaxAliveCount | [1,1,1,1,1,1,1,1,1,1] |
| ChargeThreshold | 0.2 |
| TargetSlotTypes | [9] |
| AttackMultiplier | 10 |
| HpMultiplier | 3.96 |
| AttackSpeedMultiplier | 1.3 |
| SpawnAnchor | ZombieSpawn_02 |
| SpawnInterval | 2 |