| Character | How to unlock
|
|---|
| Boogie | Purchase everything in Survival mode.
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| Bubbles | Survive 15 consecutive waves.
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| Cesar | Kill someone with a kitchen sink.
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| Chop Chop | Perform 60 pistol counter kills.
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| Classic Shank | Kill a goon by throwing a bomber.
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| Defender | Perform 100 turret kills.
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| Falcone | Successfully complete Campaign mode on the Hard difficulty.
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| Hobo | Defeat all waves in a Survival map.
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| Horror | Reach the zombie wave in each Survival map.
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| Junior | Perform 50 fire trap kills.
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| Kat | Perform 100 grenade kills.
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| Rex | Successfully complete Campaign mode on the Normal difficulty.
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| Rin | Perform 20 bat counter kills.
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| Sunshine | Purchase any item in Survival mode.
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| Achievement | How to unlock
|
|---|
| And the Kitchen Sink | Find the kitchen sink and kill someone with it.
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| Batter Up! | Execute 150 kills with the baseball bat.
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| Combo King | Do 10 combos of 20 hits or more.
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| Ditch Digger | Kill 100 enemies using the shovel.
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| Freedom Fighter | Rescue 50 Civilians from The Militia.
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| Gimmick Free | Kill a Survival Boss with no traps or grenades.
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| No Bargains | Buy nothing for 10 straight waves of Survival.
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| Not So Fast... | Do 30 counters in one Survival match.
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| Pistol Heimlich | Perform 60 Pistol Counter Kills.
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| Shank, SMASH! | Kill 50 enemies with the heavy object smash.
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| Shopaholic | Buy everything in Survival Mode.
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| Surf's Up | Go 15 waves without either player dying in Survival Mode.
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| That's Gonna Leave A Mark | Perform 100 Machete Counter Kills.
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| The First Dozen | Kill 12 enemies.
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| The Story Ends | Complete Campaign Mode on Normal difficulty.
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| Too Easy | Complete Campaign Mode on Hard difficulty.
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| Trigger Happy | Get 30 firetrap kills in one Survival match.
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| Ultimate Survivalist | Defeat all the waves in any Survival Mode map.
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| Up Close and Personal | Beat a Campaign level with no ranged attacks.
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| Zombie Killer | Reach the zombie wave in each Survival map.
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