Bogey: Dead 6
Access all Missions:
At the Mission Select screen, press Up, Down, Down, Right, Left, Down,
Up, Triangle. If done correctly, you'll hear a shout and you can now
start any of the missions.
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Access all Planes:
At the plane select screen, press Left, Left, Right, Down, Up, Down,
Right, and Select. If done correctly, you'll hear a shout and you can
now select any of the planes.
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999 Seconds:
At the "Now Loading..." screen before the mission ( After you select
your fighter and armaments ), press and hold L1, L2, R1, R2, Triangle,
Circle, Square, X, and Left until the mission starts. In the upper
left corner the timer will read 999 seconds.