Trial mode:
Quickly press Up, Down(2), Right(3), Left(4), then hold
Triangle and press Start at the "Press Start" menu to
unlock trial mode. The sound of a gunshot will confirm
correct code entry. This mode allows any level in the game
to be played. Note: The code must be entered before
demonstration mode begins.
Max power mode:
Quickly press L1, R2, L2, R2, L2, Triangle, Circle, Triangle,
Circle, then hold L1 and press Start at the "Press Start" menu
to unlock max power mode. The sound of a gunshot will confirm
correct code entry. Max power mode allows you to start with
all weapons and unlimited ammunition. Note: The code must be
entered before demonstration mode begins.
Sudden death mode:
Quickly press L2, R2, L2, R2, Circle, Triangle, Circle,
Triangle, then hold L1 and press Start at the "Press Start"
menu to unlock sudden death mode. The sound of a gunshot will
confirm correct code entry. Note: The code must be entered
before demonstration mode begins. Sudden death mode allows
opponents and your character to be killed with one hit.
All multi-player characters:
Quickly press Up, Down(2), Right(3), Left(4), then hold Circle
and press Start at the "Press Start" menu. The sound of a
gunshot will confirm correct code entry. All the Bosses as
well as the engineer and a few army characters will be unlocked
in multi-player mode. Most of the Bosses have odd guns and may
not be able to back up against walls or roll.
After all characters are enabled, all of the middle row
characters have special weapons (unlimited ammunition, but
cannot place back toward wall), and Dan has a special pistol.
Max power, sudden death, trial modes:
Successfully complete the game under the hard difficulty setting
to unlock max power, sudden death and trial modes.
Sites: