Silent Scope 2:Dark Silhouette
Convert health to time:
Press Start to pause game play in arcade mode, then press Up(2), Down(2),
Left, Right, Left, Right, X, Circle. The sound of a gun will confirm correct
code entry. One half of a life will be converted into five extra seconds.
This code can be repeated.
Convert time to health:
Press Start to pause game play in arcade mode, then press Circle, X, Right,
Left, Right, Left, Down(2), Up(2). The sound of a gun will confirm correct
code entry. Five seconds from the timer will be converted to one half of
a life. This code can be repeated.
Three credits:
After continuing the game 16 times, you will be able to increase the credits
to three on the options screen.
Four credits:
After continuing the game 31 times, you will be able to increase the credits
to four on the options screen.
Unlimited credits:
After continuing the game 101 times, you will be able to increase the credits
to infinite on the options screen.
Additional lives:
Intentionally lose the game by dying repeatedly to increase the number of
lives per credit between four to six.
Additional time:
Intentionally lose the game by allowing the timer to run out repeatedly
to increase the time limit between seventy and eighty.
Time attack boss mode:
After you defeat the big Boss by shooting him three times, he will hang
from the tower. Shoot the chain and complete the game that way to unlock
time attack boss mode.
Survival boss mode:
After you defeat the big Boss by shooting him three times, he will hang
from the tower. If you shoot him or the girl, they will both fall. You will
complete the game and unlock survival boss mode.