Level select:- Enter the options screen. Set
"Vibration" to "1" and "Sound effects" and "Music" to
"0". Then, hold L1 + L2 + R1 + R2 + Circle + Square. The
message "Spooky Cat" will appear in the middle of the
screen to confirm correct code entry.
Successfully complete the game under the maniac
difficulty setting to unlock a third bonus helicopter,
which you can use on any difficulty setting. It has the
same top speed and fire rate as the second bonus
helicopter, but more armor.
Ending bonuses:- Successfully
complete the game under the hard difficulty setting. The
maniac difficulty setting and a bonus chopper and will
now be unlocked. The bonus chopper flies, turns, climbs,
descends, and shoots faster.
Unlock All Missions:- At the options screen, Set
vibration to one. As for Sound effects and Music, put
them to 0. Then press and hold L1, L2, R1, R2, Circle,
and Square.
AWACS view: Press Triangle + Up.
Target view: Press Triangle + Down.
Unlock Maniac Difficulty and a Bonus Helicopter
Bonus Helicopter (Faster speed, dive, and climb
abilities) Complete the game on Hard difficulty
Helicopter Selection Option Complete the game on Maniac difficulty
Maniac Difficulty Complete the game on Hard difficulty
Second Bonus Helicopter (Faster speed, dive, and climb abilities and
more armor) Complete the game on Maniac difficulty.
Game Shark Codes:
[M] Must Be On EC8782801449D2E4
Inf Ammo Weapon 1 4CD5B2481456E788
Inf Ammo Weapon 2 4CD5B24C1456E788
Inf Ammo Weapon 3 4CD5B2501456E788
Inf Armor 4CC1D49A1456248F
Never Overheat 4CC1D48C1456E7A5
Rapid Fire Missiles 4CC1D4881456E7A5
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