Five zombies first appear during the day section.
| Zombie | Description | Health |
| Zombie | Regular zombie. | 10 |
| Flag Zombie | Moves slightly faster and signals a horde of zombies. | 10 |
| Conehead Zombie | Its traffic cone protects it from damage until it is knocked off. | 10+18 |
| Pole Vaulting Zombie | Jumps over the first plant it passes. | 17 |
| Buckethead Zombie | Protected from large amounts of damage by a metallic bucket. | 10+55 |

