Heroes of the Pacific Cheats...
All planes and missions
Press Right Analog-stick Up, Right Analog-stick Down, White, Black, Right Analog-stick Left, Right Analog-stick Right at the main menu.
Cheat menu
Press Y, L, D-pad Left, R, D-pad Right, White at the main menu.
Japanese
Press White, Black, L, R, Right Analog-stick Up, Right Analog-stick Left at the main menu.
Upgrade All Aircraft
On the main menu, input L-TRIGGER, LEFT (rigth stick), R-TRIGGER, RIGHT (right stick), WHITE, Y.
Upgrade planes
Press L, Right Analog-stick Left, R, Right Analog-stick Right, White, Y at the main menu.
More Cheats, Achievements...
All planes and missions...