More Money:
     Press  Y,  X,  White, Y, X, White, X, X, Y, White, X and Y at the
main menu to get more money.

Unlock All Missions:
     Press  X,  X,  White,  White,  Y, Y, White, White, X, Y, Y, X and
White at the main menu to unlock all missions.

Better Reputation:
     Press  Y,  Y, White, X, X, White, Y, Y, Y, X, X and X at the main
menu to get a better reputation.