Killer7
Gamecube
Infinite Serum Vials in Killer 8 Mode:
At the Press Start screen, press Down, R, Up, L, Y, B, X, A. You get 100 serum vials every time you begin the first level. Just keep re-entering the first level to get as much serum as you want.
Game Mode Unlockables:
Beat the game on Normal or Hard | Killer8 Hard Mode + Young Harman playable character |
Beat Killer8 Mode | Hopper7 Mode |
Thanks to Revolution reader restrained!