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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.

Down, R, Up, L, Y, B, X, A100 vials of serum

Contributed By: Mastermaxisme.


Extra game modes

UnlockableHow to Unlock
Complete Killer 8 modeHopper 7 mode
Complete full game on normal or hard modeKiller 8 hard mode
Complete full game on normal or hard modePlayable character: Young Harman

Contributed By: bigbadwolf.