| Character | How to unlock
|
|---|
| Boogie | Purchase everything in Survival mode.
|
| Bubbles | Survive 15 consecutive waves.
|
| Cesar | Kill someone with a kitchen sink.
|
| Chop Chop | Perform 60 pistol counter kills.
|
| Classic Shank | Kill a goon by throwing a bomber.
|
| Defender | Perform 100 turret kills.
|
| Falcone | Successfully complete Campaign mode on the Hard difficulty.
|
| Hobo | Defeat all waves in a Survival map.
|
| Horror | Reach the zombie wave in each Survival map.
|
| Junior | Perform 50 fire trap kills.
|
| Kat | Perform 100 grenade kills.
|
| Rex | Successfully complete Campaign mode on the Normal difficulty.
|
| Rin | Perform 20 bat counter kills.
|
| Sunshine | Purchase any item in Survival mode.
|
