Unlock Hopper 7
Beat game on Killer 8 difficulty
Unlock Killer 8 difficulty
Beat game on Normal or Hard
Unlock Play As Young Harman
Beat game on Normal or Hard
Thick Blood & Serum
Thick blood is not carried over from stage to stage, but serum is. The blood
machine in each stage will cease to function if you revisit the stage, so learn
to collect as much thick blood as possible in a stage and break the machine
before moving on.
Killer 8: 100 Serum Vials
Press Down, R1, Up, L1, Square, X, Triangle(2), at the the "Press Start"
screen. The healing sound will confirm correct code entry. You will get the
vials when you start Target: Angel. Repeat the level over with the code enabled
to get another 100 vials.
Alternate ending sequence
Successfully complete Killer 8 mode
