Codes

  • Infinite Vials of Serum for killer 8 mode

    Enter this code at the press start screen. You will get 100 free vials of serum each time that you start the first level. By starting the first level repeatedly, you will recieve 100 free vials each time giving you an infinite amount. This will only work in Killer 8 mode only.

    EffectCode
    100 vials of serumDown, R, Up, L, Y, B, X, A

    Contributed By: Mastermaxisme.

Unlockables

  • Extra game modes

    UnlockableHow to Unlock
    Hopper 7 modeComplete Killer 8 mode
    Killer 8 hard modeComplete full game on normal or hard mode
    Playable character: Young HarmanComplete full game on normal or hard mode

    Contributed By: bigbadwolf.

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