Infected
- $1 Avatar
- Preview the $1 Avatar and press R to spin him. After two full rotations, stop the spin so that you are looking at his back. Then, press Triangle, X(2), Triangle, Circle to get the $1 Avatar.
- Bloodrayne
- Successfully complete all missions.
- Chimaira
- In mission 29, kill a zombie near the Chimaira sign, then get the avatar that it drops. The sign is located in the long street section under the park at the top of the map.
- Santa Claus
- Successfully complete all missions.
- Slipknot 0
- In mission 5, kill a zombie near the Slipknot sign, then get the avatar that it drops. The sign is located almost in the center of Time Square.
- Slipknot 1
- In mission 7, kill a zombie near the Slipknot sign, then get the avatar that it drops. The sign is located in the subway.
- Slipknot 2
- In mission 10, kill a zombie near the Slipknot sign, then get the avatar that it drops. The sign is located by the helicopter.
- Slipknot 3
- In mission 13, kill a zombie near the Slipknot sign, then get the avatar that it drops. The sign is located in the upper left section of the map.
- Slipknot 4
- In mission 16, kill a zombie near the Slipknot sign, then get the avatar that it drops. The sign is located near the landing zone.
- Slipknot 5
- In mission 20, kill a zombie near the Slipknot sign, then get the avatar that it drops. The sign is located in Time Square.
- Slipknot 6
- In mission 23, kill a zombie near the Slipknot sign, then get the avatar that it drops. The sign is located in the bottom section of the map.
- Slipknot 7
- In mission 26, kill a zombie near the Slipknot sign, then get the avatar that it drops. The sign can be found when the mission is started.
- Slipknot 8
- In mission 31, kill a zombie near the Slipknot sign, then get the avatar that it drops. The sign is located in the bottom right section of the map.
- Easy combos
- When you get the chainsaw, combos become easier. Stand over a Manhole and use your chainsaw to get high combos. Manholes with lots of enemies around them are recommended, as you can get up to a ten combo with one slice.